Finding the Fourth Proportional to 16,892.91, 23,312.69 and 9,236.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,892.91 : 23,312.69 = 9,236.55 : x
2. Step 2: Convert to fraction form
   16,892.91/23,312.69 = 9,236.55/x
3. Step 3: Cross multiply
   16,892.91x = 23,312.69 × 9,236.55
4. Step 4: Simplify right side
   16,892.91x = 215,328,780.64
5. Step 5: Solve for x
   x = 215,328,780.64/16,892.91
6. Step 6: Final answer
   x = 12,746.70