Finding the Fourth Proportional to 59,556.80, 89,304.72 and 31,491.92

Step by Step Solution

1. Step 1: Write the proportion equation
   59,556.80 : 89,304.72 = 31,491.92 : x
2. Step 2: Convert to fraction form
   59,556.80/89,304.72 = 31,491.92/x
3. Step 3: Cross multiply
   59,556.80x = 89,304.72 × 31,491.92
4. Step 4: Simplify right side
   59,556.80x = 2,812,377,097.86
5. Step 5: Solve for x
   x = 2,812,377,097.86/59,556.80
6. Step 6: Final answer
   x = 47,221.76