Finding the Fourth Proportional to 89,578,110.45, 123,592,812.00 and 57,774,823.05

Step by Step Solution

1. Step 1: Write the proportion equation
   89,578,110.45 : 123,592,812.00 = 57,774,823.05 : x
2. Step 2: Convert to fraction form
   89,578,110.45/123,592,812.00 = 57,774,823.05/x
3. Step 3: Cross multiply
   89,578,110.45x = 123,592,812.00 × 57,774,823.05
4. Step 4: Simplify right side
   89,578,110.45x = 7,140,552,842,928,027
5. Step 5: Solve for x
   x = 7,140,552,842,928,027/89,578,110.45
6. Step 6: Final answer
   x = 79,713,144.28