Finding the Fourth Proportional to 16,597.10, 22,902.15 and 9,881.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,597.10 : 22,902.15 = 9,881.78 : x
2. Step 2: Convert to fraction form
   16,597.10/22,902.15 = 9,881.78/x
3. Step 3: Cross multiply
   16,597.10x = 22,902.15 × 9,881.78
4. Step 4: Simplify right side
   16,597.10x = 226,314,007.83
5. Step 5: Solve for x
   x = 226,314,007.83/16,597.10
6. Step 6: Final answer
   x = 13,635.76