Finding the Fourth Proportional to 16,142.62, 22,275.80 and 9,430.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,142.62 : 22,275.80 = 9,430.15 : x
2. Step 2: Convert to fraction form
   16,142.62/22,275.80 = 9,430.15/x
3. Step 3: Cross multiply
   16,142.62x = 22,275.80 × 9,430.15
4. Step 4: Simplify right side
   16,142.62x = 210,064,088.22
5. Step 5: Solve for x
   x = 210,064,088.22/16,142.62
6. Step 6: Final answer
   x = 13,013.01