Finding the Fourth Proportional to 106,141.59, 146,475.61 and 58,397.90

Step by Step Solution

1. Step 1: Write the proportion equation
   106,141.59 : 146,475.61 = 58,397.90 : x
2. Step 2: Convert to fraction form
   106,141.59/146,475.61 = 58,397.90/x
3. Step 3: Cross multiply
   106,141.59x = 146,475.61 × 58,397.90
4. Step 4: Simplify right side
   106,141.59x = 8,553,867,146.85
5. Step 5: Solve for x
   x = 8,553,867,146.85/106,141.59
6. Step 6: Final answer
   x = 80,589.21