Finding the Fourth Proportional to 16,440.38, 22,681.35 and 10,470.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,440.38 : 22,681.35 = 10,470.98 : x
2. Step 2: Convert to fraction form
   16,440.38/22,681.35 = 10,470.98/x
3. Step 3: Cross multiply
   16,440.38x = 22,681.35 × 10,470.98
4. Step 4: Simplify right side
   16,440.38x = 237,495,962.22
5. Step 5: Solve for x
   x = 237,495,962.22/16,440.38
6. Step 6: Final answer
   x = 14,445.89