Finding the Fourth Proportional to 16,275.81, 22,462.29 and 9,902.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,275.81 : 22,462.29 = 9,902.86 : x
2. Step 2: Convert to fraction form
   16,275.81/22,462.29 = 9,902.86/x
3. Step 3: Cross multiply
   16,275.81x = 22,462.29 × 9,902.86
4. Step 4: Simplify right side
   16,275.81x = 222,440,913.15
5. Step 5: Solve for x
   x = 222,440,913.15/16,275.81
6. Step 6: Final answer
   x = 13,666.96