Finding the Fourth Proportional to 72,517.05, 108,670.41 and 51,498.27

Step by Step Solution

1. Step 1: Write the proportion equation
   72,517.05 : 108,670.41 = 51,498.27 : x
2. Step 2: Convert to fraction form
   72,517.05/108,670.41 = 51,498.27/x
3. Step 3: Cross multiply
   72,517.05x = 108,670.41 × 51,498.27
4. Step 4: Simplify right side
   72,517.05x = 5,596,338,115.19
5. Step 5: Solve for x
   x = 5,596,338,115.19/72,517.05
6. Step 6: Final answer
   x = 77,172.72