Finding the Fourth Proportional to 93,931, 129,638.04 and 58,132.54

Step by Step Solution

1. Step 1: Write the proportion equation
   93,931 : 129,638.04 = 58,132.54 : x
2. Step 2: Convert to fraction form
   93,931/129,638.04 = 58,132.54/x
3. Step 3: Cross multiply
   93,931x = 129,638.04 × 58,132.54
4. Step 4: Simplify right side
   93,931x = 7,536,188,545.82
5. Step 5: Solve for x
   x = 7,536,188,545.82/93,931
6. Step 6: Final answer
   x = 80,231.11