Finding the Fourth Proportional to 71,151.72, 106,696.29 and 37,863.90

Step by Step Solution

1. Step 1: Write the proportion equation
   71,151.72 : 106,696.29 = 37,863.90 : x
2. Step 2: Convert to fraction form
   71,151.72/106,696.29 = 37,863.90/x
3. Step 3: Cross multiply
   71,151.72x = 106,696.29 × 37,863.90
4. Step 4: Simplify right side
   71,151.72x = 4,039,937,654.93
5. Step 5: Solve for x
   x = 4,039,937,654.93/71,151.72
6. Step 6: Final answer
   x = 56,779.20