Finding the Fourth Proportional to 10,922.52, 16,381.38 and 3,129.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,922.52 : 16,381.38 = 3,129.24 : x
2. Step 2: Convert to fraction form
   10,922.52/16,381.38 = 3,129.24/x
3. Step 3: Cross multiply
   10,922.52x = 16,381.38 × 3,129.24
4. Step 4: Simplify right side
   10,922.52x = 51,261,269.55
5. Step 5: Solve for x
   x = 51,261,269.55/10,922.52
6. Step 6: Final answer
   x = 4,693.17