Finding the Fourth Proportional to 145,139,978.76, 200,290,965.84 and 79,949,882.76

Step by Step Solution

1. Step 1: Write the proportion equation
   145,139,978.76 : 200,290,965.84 = 79,949,882.76 : x
2. Step 2: Convert to fraction form
   145,139,978.76/200,290,965.84 = 79,949,882.76/x
3. Step 3: Cross multiply
   145,139,978.76x = 200,290,965.84 × 79,949,882.76
4. Step 4: Simplify right side
   145,139,978.76x = 16,013,239,236,795,166
5. Step 5: Solve for x
   x = 16,013,239,236,795,166/145,139,978.76
6. Step 6: Final answer
   x = 110,329,623.68