Finding the Fourth Proportional to 145,978,563,041.61, 219,030,769,980.63 and 78,812,472,341.84

Step by Step Solution

1. Step 1: Write the proportion equation
   145,978,563,041.61 : 219,030,769,980.63 = 78,812,472,341.84 : x
2. Step 2: Convert to fraction form
   145,978,563,041.61/219,030,769,980.63 = 78,812,472,341.84/x
3. Step 3: Cross multiply
   145,978,563,041.61x = 219,030,769,980.63 × 78,812,472,341.84
4. Step 4: Simplify right side
   145,978,563,041.61x = 17,262,356,501,109,227,388,928
5. Step 5: Solve for x
   x = 17,262,356,501,109,227,388,928/145,978,563,041.61
6. Step 6: Final answer
   x = 118,252,681,362.46