Finding the Fourth Proportional to 71,074.01, 98,081.46 and 39,243.13

Step by Step Solution

1. Step 1: Write the proportion equation
   71,074.01 : 98,081.46 = 39,243.13 : x
2. Step 2: Convert to fraction form
   71,074.01/98,081.46 = 39,243.13/x
3. Step 3: Cross multiply
   71,074.01x = 98,081.46 × 39,243.13
4. Step 4: Simplify right side
   71,074.01x = 3,849,023,485.37
5. Step 5: Solve for x
   x = 3,849,023,485.37/71,074.01
6. Step 6: Final answer
   x = 54,155.15