Finding the Fourth Proportional to 16,892.22, 23,312.70 and 9,818.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,892.22 : 23,312.70 = 9,818.18 : x
2. Step 2: Convert to fraction form
   16,892.22/23,312.70 = 9,818.18/x
3. Step 3: Cross multiply
   16,892.22x = 23,312.70 × 9,818.18
4. Step 4: Simplify right side
   16,892.22x = 228,888,284.89
5. Step 5: Solve for x
   x = 228,888,284.89/16,892.22
6. Step 6: Final answer
   x = 13,549.92