Finding the Fourth Proportional to 106,498.71, 159,614.42 and 56,455.29

Step by Step Solution

1. Step 1: Write the proportion equation
   106,498.71 : 159,614.42 = 56,455.29 : x
2. Step 2: Convert to fraction form
   106,498.71/159,614.42 = 56,455.29/x
3. Step 3: Cross multiply
   106,498.71x = 159,614.42 × 56,455.29
4. Step 4: Simplify right side
   106,498.71x = 9,011,078,087.01
5. Step 5: Solve for x
   x = 9,011,078,087.01/106,498.71
6. Step 6: Final answer
   x = 84,612.09