Finding the Fourth Proportional to 75,658.50, 104,411.97 and 42,124.50

Step by Step Solution

1. Step 1: Write the proportion equation
   75,658.50 : 104,411.97 = 42,124.50 : x
2. Step 2: Convert to fraction form
   75,658.50/104,411.97 = 42,124.50/x
3. Step 3: Cross multiply
   75,658.50x = 104,411.97 × 42,124.50
4. Step 4: Simplify right side
   75,658.50x = 4,398,302,030.27
5. Step 5: Solve for x
   x = 4,398,302,030.27/75,658.50
6. Step 6: Final answer
   x = 58,133.61