Finding the Fourth Proportional to 71,071.95, 98,080.82 and 39,242.86

Step by Step Solution

1. Step 1: Write the proportion equation
   71,071.95 : 98,080.82 = 39,242.86 : x
2. Step 2: Convert to fraction form
   71,071.95/98,080.82 = 39,242.86/x
3. Step 3: Cross multiply
   71,071.95x = 98,080.82 × 39,242.86
4. Step 4: Simplify right side
   71,071.95x = 3,848,971,691.73
5. Step 5: Solve for x
   x = 3,848,971,691.73/71,071.95
6. Step 6: Final answer
   x = 54,155.99