Finding the Fourth Proportional to 131,471,288.10, 196,829,018.55 and 80,452,952.10

Step by Step Solution

1. Step 1: Write the proportion equation
   131,471,288.10 : 196,829,018.55 = 80,452,952.10 : x
2. Step 2: Convert to fraction form
   131,471,288.10/196,829,018.55 = 80,452,952.10/x
3. Step 3: Cross multiply
   131,471,288.10x = 196,829,018.55 × 80,452,952.10
4. Step 4: Simplify right side
   131,471,288.10x = 15,835,475,601,293,162
5. Step 5: Solve for x
   x = 15,835,475,601,293,162/131,471,288.10
6. Step 6: Final answer
   x = 120,448,166.52