Finding the Fourth Proportional to 72,594.36, 108,732.78 and 51,470.37

Step by Step Solution

1. Step 1: Write the proportion equation
   72,594.36 : 108,732.78 = 51,470.37 : x
2. Step 2: Convert to fraction form
   72,594.36/108,732.78 = 51,470.37/x
3. Step 3: Cross multiply
   72,594.36x = 108,732.78 × 51,470.37
4. Step 4: Simplify right side
   72,594.36x = 5,596,516,417.73
5. Step 5: Solve for x
   x = 5,596,516,417.73/72,594.36
6. Step 6: Final answer
   x = 77,092.99