Finding the Fourth Proportional to 137,674.86, 206,533.89 and 58,789.50

Step by Step Solution

1. Step 1: Write the proportion equation
   137,674.86 : 206,533.89 = 58,789.50 : x
2. Step 2: Convert to fraction form
   137,674.86/206,533.89 = 58,789.50/x
3. Step 3: Cross multiply
   137,674.86x = 206,533.89 × 58,789.50
4. Step 4: Simplify right side
   137,674.86x = 12,142,024,126.16
5. Step 5: Solve for x
   x = 12,142,024,126.16/137,674.86
6. Step 6: Final answer
   x = 88,193.47