Finding the Fourth Proportional to 71,513.55, 107,174.79 and 37,710.63

Step by Step Solution

1. Step 1: Write the proportion equation
   71,513.55 : 107,174.79 = 37,710.63 : x
2. Step 2: Convert to fraction form
   71,513.55/107,174.79 = 37,710.63/x
3. Step 3: Cross multiply
   71,513.55x = 107,174.79 × 37,710.63
4. Step 4: Simplify right side
   71,513.55x = 4,041,628,851.02
5. Step 5: Solve for x
   x = 4,041,628,851.02/71,513.55
6. Step 6: Final answer
   x = 56,515.57