Finding the Fourth Proportional to 16,592.32, 22,897.76 and 9,140.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,592.32 : 22,897.76 = 9,140.16 : x
2. Step 2: Convert to fraction form
   16,592.32/22,897.76 = 9,140.16/x
3. Step 3: Cross multiply
   16,592.32x = 22,897.76 × 9,140.16
4. Step 4: Simplify right side
   16,592.32x = 209,289,190.04
5. Step 5: Solve for x
   x = 209,289,190.04/16,592.32
6. Step 6: Final answer
   x = 12,613.62