Finding the Fourth Proportional to 72,797.59, 109,118.62 and 51,957.91

Step by Step Solution

1. Step 1: Write the proportion equation
   72,797.59 : 109,118.62 = 51,957.91 : x
2. Step 2: Convert to fraction form
   72,797.59/109,118.62 = 51,957.91/x
3. Step 3: Cross multiply
   72,797.59x = 109,118.62 × 51,957.91
4. Step 4: Simplify right side
   72,797.59x = 5,669,575,437.28
5. Step 5: Solve for x
   x = 5,669,575,437.28/72,797.59
6. Step 6: Final answer
   x = 77,881.36