Finding the Fourth Proportional to 106,082.57, 146,397.72 and 58,339.55

Step by Step Solution

1. Step 1: Write the proportion equation
   106,082.57 : 146,397.72 = 58,339.55 : x
2. Step 2: Convert to fraction form
   106,082.57/146,397.72 = 58,339.55/x
3. Step 3: Cross multiply
   106,082.57x = 146,397.72 × 58,339.55
4. Step 4: Simplify right side
   106,082.57x = 8,540,777,105.83
5. Step 5: Solve for x
   x = 8,540,777,105.83/106,082.57
6. Step 6: Final answer
   x = 80,510.65