Finding the Fourth Proportional to 16,950.18, 23,385.88 and 9,779.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,950.18 : 23,385.88 = 9,779.12 : x
2. Step 2: Convert to fraction form
   16,950.18/23,385.88 = 9,779.12/x
3. Step 3: Cross multiply
   16,950.18x = 23,385.88 × 9,779.12
4. Step 4: Simplify right side
   16,950.18x = 228,693,326.83
5. Step 5: Solve for x
   x = 228,693,326.83/16,950.18
6. Step 6: Final answer
   x = 13,492.09