Finding the Fourth Proportional to 71,062, 98,068.72 and 40,857.12

Step by Step Solution

1. Step 1: Write the proportion equation
   71,062 : 98,068.72 = 40,857.12 : x
2. Step 2: Convert to fraction form
   71,062/98,068.72 = 40,857.12/x
3. Step 3: Cross multiply
   71,062x = 98,068.72 × 40,857.12
4. Step 4: Simplify right side
   71,062x = 4,006,805,461.29
5. Step 5: Solve for x
   x = 4,006,805,461.29/71,062
6. Step 6: Final answer
   x = 56,384.64