Finding the Fourth Proportional to 92,606.24, 138,763.42 and 71,597.52

Step by Step Solution

1. Step 1: Write the proportion equation
   92,606.24 : 138,763.42 = 71,597.52 : x
2. Step 2: Convert to fraction form
   92,606.24/138,763.42 = 71,597.52/x
3. Step 3: Cross multiply
   92,606.24x = 138,763.42 × 71,597.52
4. Step 4: Simplify right side
   92,606.24x = 9,935,116,738.72
5. Step 5: Solve for x
   x = 9,935,116,738.72/92,606.24
6. Step 6: Final answer
   x = 107,283.45