Finding the Fourth Proportional to 72,507.50, 100,053.81 and 42,295.47

Step by Step Solution

1. Step 1: Write the proportion equation
   72,507.50 : 100,053.81 = 42,295.47 : x
2. Step 2: Convert to fraction form
   72,507.50/100,053.81 = 42,295.47/x
3. Step 3: Cross multiply
   72,507.50x = 100,053.81 × 42,295.47
4. Step 4: Simplify right side
   72,507.50x = 4,231,822,425.08
5. Step 5: Solve for x
   x = 4,231,822,425.08/72,507.50
6. Step 6: Final answer
   x = 58,363.92