Finding the Fourth Proportional to 71,602.47, 98,817.30 and 39,773.34

Step by Step Solution

1. Step 1: Write the proportion equation
   71,602.47 : 98,817.30 = 39,773.34 : x
2. Step 2: Convert to fraction form
   71,602.47/98,817.30 = 39,773.34/x
3. Step 3: Cross multiply
   71,602.47x = 98,817.30 × 39,773.34
4. Step 4: Simplify right side
   71,602.47x = 3,930,294,070.78
5. Step 5: Solve for x
   x = 3,930,294,070.78/71,602.47
6. Step 6: Final answer
   x = 54,890.48