Finding the Fourth Proportional to 71,318.58, 98,412.78 and 42,632.52

Step by Step Solution

1. Step 1: Write the proportion equation
   71,318.58 : 98,412.78 = 42,632.52 : x
2. Step 2: Convert to fraction form
   71,318.58/98,412.78 = 42,632.52/x
3. Step 3: Cross multiply
   71,318.58x = 98,412.78 × 42,632.52
4. Step 4: Simplify right side
   71,318.58x = 4,195,584,811.61
5. Step 5: Solve for x
   x = 4,195,584,811.61/71,318.58
6. Step 6: Final answer
   x = 58,828.78