Finding the Fourth Proportional to 22,417.60, 30,938.24 and 12,348

Step by Step Solution

1. Step 1: Write the proportion equation
   22,417.60 : 30,938.24 = 12,348 : x
2. Step 2: Convert to fraction form
   22,417.60/30,938.24 = 12,348/x
3. Step 3: Cross multiply
   22,417.60x = 30,938.24 × 12,348
4. Step 4: Simplify right side
   22,417.60x = 382,025,387.52
5. Step 5: Solve for x
   x = 382,025,387.52/22,417.60
6. Step 6: Final answer
   x = 17,041.32