Finding the Fourth Proportional to 71,575.43, 98,780.00 and 39,746.39

Step by Step Solution

1. Step 1: Write the proportion equation
   71,575.43 : 98,780.00 = 39,746.39 : x
2. Step 2: Convert to fraction form
   71,575.43/98,780.00 = 39,746.39/x
3. Step 3: Cross multiply
   71,575.43x = 98,780.00 × 39,746.39
4. Step 4: Simplify right side
   71,575.43x = 3,926,147,711.57
5. Step 5: Solve for x
   x = 3,926,147,711.57/71,575.43
6. Step 6: Final answer
   x = 54,853.29