Finding the Fourth Proportional to 125,456.50, 188,213.91 and 42,350.50

Step by Step Solution

1. Step 1: Write the proportion equation
   125,456.50 : 188,213.91 = 42,350.50 : x
2. Step 2: Convert to fraction form
   125,456.50/188,213.91 = 42,350.50/x
3. Step 3: Cross multiply
   125,456.50x = 188,213.91 × 42,350.50
4. Step 4: Simplify right side
   125,456.50x = 7,970,953,195.46
5. Step 5: Solve for x
   x = 7,970,953,195.46/125,456.50
6. Step 6: Final answer
   x = 63,535.59