Finding the Fourth Proportional to 71,501.63, 98,672.27 and 39,670.46

Step by Step Solution

1. Step 1: Write the proportion equation
   71,501.63 : 98,672.27 = 39,670.46 : x
2. Step 2: Convert to fraction form
   71,501.63/98,672.27 = 39,670.46/x
3. Step 3: Cross multiply
   71,501.63x = 98,672.27 × 39,670.46
4. Step 4: Simplify right side
   71,501.63x = 3,914,373,648.43
5. Step 5: Solve for x
   x = 3,914,373,648.43/71,501.63
6. Step 6: Final answer
   x = 54,745.23