Finding the Fourth Proportional to 75,128.50, 103,677.33 and 41,594.50

Step by Step Solution

1. Step 1: Write the proportion equation
   75,128.50 : 103,677.33 = 41,594.50 : x
2. Step 2: Convert to fraction form
   75,128.50/103,677.33 = 41,594.50/x
3. Step 3: Cross multiply
   75,128.50x = 103,677.33 × 41,594.50
4. Step 4: Simplify right side
   75,128.50x = 4,312,406,702.69
5. Step 5: Solve for x
   x = 4,312,406,702.69/75,128.50
6. Step 6: Final answer
   x = 57,400.41