Finding the Fourth Proportional to 107,040.89, 147,686.29 and 61,715.32

Step by Step Solution

1. Step 1: Write the proportion equation
   107,040.89 : 147,686.29 = 61,715.32 : x
2. Step 2: Convert to fraction form
   107,040.89/147,686.29 = 61,715.32/x
3. Step 3: Cross multiply
   107,040.89x = 147,686.29 × 61,715.32
4. Step 4: Simplify right side
   107,040.89x = 9,114,506,123.46
5. Step 5: Solve for x
   x = 9,114,506,123.46/107,040.89
6. Step 6: Final answer
   x = 85,149.76