Finding the Fourth Proportional to 71,540.68, 107,365.56 and 51,540.52

Step by Step Solution

1. Step 1: Write the proportion equation
   71,540.68 : 107,365.56 = 51,540.52 : x
2. Step 2: Convert to fraction form
   71,540.68/107,365.56 = 51,540.52/x
3. Step 3: Cross multiply
   71,540.68x = 107,365.56 × 51,540.52
4. Step 4: Simplify right side
   71,540.68x = 5,533,676,792.49
5. Step 5: Solve for x
   x = 5,533,676,792.49/71,540.68
6. Step 6: Final answer
   x = 77,350.07