Finding the Fourth Proportional to 71,404.82, 98,536.50 and 39,573.02

Step by Step Solution

1. Step 1: Write the proportion equation
   71,404.82 : 98,536.50 = 39,573.02 : x
2. Step 2: Convert to fraction form
   71,404.82/98,536.50 = 39,573.02/x
3. Step 3: Cross multiply
   71,404.82x = 98,536.50 × 39,573.02
4. Step 4: Simplify right side
   71,404.82x = 3,899,386,885.23
5. Step 5: Solve for x
   x = 3,899,386,885.23/71,404.82
6. Step 6: Final answer
   x = 54,609.58