Finding the Fourth Proportional to 10,989.68, 16,472.88 and 3,592.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,989.68 : 16,472.88 = 3,592.15 : x
2. Step 2: Convert to fraction form
   10,989.68/16,472.88 = 3,592.15/x
3. Step 3: Cross multiply
   10,989.68x = 16,472.88 × 3,592.15
4. Step 4: Simplify right side
   10,989.68x = 59,173,014.71
5. Step 5: Solve for x
   x = 59,173,014.71/10,989.68
6. Step 6: Final answer
   x = 5,384.42