Finding the Fourth Proportional to 62,940,238.37, 86,228,434.18 and 60,581,255.48

Step by Step Solution

1. Step 1: Write the proportion equation
   62,940,238.37 : 86,228,434.18 = 60,581,255.48 : x
2. Step 2: Convert to fraction form
   62,940,238.37/86,228,434.18 = 60,581,255.48/x
3. Step 3: Cross multiply
   62,940,238.37x = 86,228,434.18 × 60,581,255.48
4. Step 4: Simplify right side
   62,940,238.37x = 5,223,826,800,853,861
5. Step 5: Solve for x
   x = 5,223,826,800,853,861/62,940,238.37
6. Step 6: Final answer
   x = 82,996,616.09