Finding the Fourth Proportional to 16,566.90, 22,854.80 and 9,848.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,566.90 : 22,854.80 = 9,848.72 : x
2. Step 2: Convert to fraction form
   16,566.90/22,854.80 = 9,848.72/x
3. Step 3: Cross multiply
   16,566.90x = 22,854.80 × 9,848.72
4. Step 4: Simplify right side
   16,566.90x = 225,090,525.86
5. Step 5: Solve for x
   x = 225,090,525.86/16,566.90
6. Step 6: Final answer
   x = 13,586.76