Finding the Fourth Proportional to 16,139.02, 22,269.23 and 10,088.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,139.02 : 22,269.23 = 10,088.55 : x
2. Step 2: Convert to fraction form
   16,139.02/22,269.23 = 10,088.55/x
3. Step 3: Cross multiply
   16,139.02x = 22,269.23 × 10,088.55
4. Step 4: Simplify right side
   16,139.02x = 224,664,240.32
5. Step 5: Solve for x
   x = 224,664,240.32/16,139.02
6. Step 6: Final answer
   x = 13,920.56