Finding the Fourth Proportional to 64,073.73, 88,463.31 and 57,347.69

Step by Step Solution

1. Step 1: Write the proportion equation
   64,073.73 : 88,463.31 = 57,347.69 : x
2. Step 2: Convert to fraction form
   64,073.73/88,463.31 = 57,347.69/x
3. Step 3: Cross multiply
   64,073.73x = 88,463.31 × 57,347.69
4. Step 4: Simplify right side
   64,073.73x = 5,073,166,035.94
5. Step 5: Solve for x
   x = 5,073,166,035.94/64,073.73
6. Step 6: Final answer
   x = 79,177.00