Finding the Fourth Proportional to 10,989.15, 16,483.20 and 3,592.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,989.15 : 16,483.20 = 3,592.63 : x
2. Step 2: Convert to fraction form
   10,989.15/16,483.20 = 3,592.63/x
3. Step 3: Cross multiply
   10,989.15x = 16,483.20 × 3,592.63
4. Step 4: Simplify right side
   10,989.15x = 59,218,038.82
5. Step 5: Solve for x
   x = 59,218,038.82/10,989.15
6. Step 6: Final answer
   x = 5,388.77