Finding the Fourth Proportional to 16,894.72, 23,312.64 and 9,822.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,894.72 : 23,312.64 = 9,822.72 : x
2. Step 2: Convert to fraction form
   16,894.72/23,312.64 = 9,822.72/x
3. Step 3: Cross multiply
   16,894.72x = 23,312.64 × 9,822.72
4. Step 4: Simplify right side
   16,894.72x = 228,993,535.18
5. Step 5: Solve for x
   x = 228,993,535.18/16,894.72
6. Step 6: Final answer
   x = 13,554.15