Finding the Fourth Proportional to 16,949.58, 23,385.59 and 9,778.93

Step by Step Solution

1. Step 1: Write the proportion equation
   16,949.58 : 23,385.59 = 9,778.93 : x
2. Step 2: Convert to fraction form
   16,949.58/23,385.59 = 9,778.93/x
3. Step 3: Cross multiply
   16,949.58x = 23,385.59 × 9,778.93
4. Step 4: Simplify right side
   16,949.58x = 228,685,949.43
5. Step 5: Solve for x
   x = 228,685,949.43/16,949.58
6. Step 6: Final answer
   x = 13,492.13