Finding the Fourth Proportional to 113,532.54, 170,123.61 and 71,892.06

Step by Step Solution

1. Step 1: Write the proportion equation
   113,532.54 : 170,123.61 = 71,892.06 : x
2. Step 2: Convert to fraction form
   113,532.54/170,123.61 = 71,892.06/x
3. Step 3: Cross multiply
   113,532.54x = 170,123.61 × 71,892.06
4. Step 4: Simplify right side
   113,532.54x = 12,230,536,777.54
5. Step 5: Solve for x
   x = 12,230,536,777.54/113,532.54
6. Step 6: Final answer
   x = 107,727.15