Finding the Fourth Proportional to 71,131.16, 98,152.64 and 39,298.16

Step by Step Solution

1. Step 1: Write the proportion equation
   71,131.16 : 98,152.64 = 39,298.16 : x
2. Step 2: Convert to fraction form
   71,131.16/98,152.64 = 39,298.16/x
3. Step 3: Cross multiply
   71,131.16x = 98,152.64 × 39,298.16
4. Step 4: Simplify right side
   71,131.16x = 3,857,218,151.14
5. Step 5: Solve for x
   x = 3,857,218,151.14/71,131.16
6. Step 6: Final answer
   x = 54,226.84