Finding the Fourth Proportional to 22,602.96, 31,191.72 and 12,393.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,602.96 : 31,191.72 = 12,393.96 : x
2. Step 2: Convert to fraction form
   22,602.96/31,191.72 = 12,393.96/x
3. Step 3: Cross multiply
   22,602.96x = 31,191.72 × 12,393.96
4. Step 4: Simplify right side
   22,602.96x = 386,588,930.01
5. Step 5: Solve for x
   x = 386,588,930.01/22,602.96
6. Step 6: Final answer
   x = 17,103.46