Finding the Fourth Proportional to 22,513.54, 31,068.78 and 12,304.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,513.54 : 31,068.78 = 12,304.78 : x
2. Step 2: Convert to fraction form
   22,513.54/31,068.78 = 12,304.78/x
3. Step 3: Cross multiply
   22,513.54x = 31,068.78 × 12,304.78
4. Step 4: Simplify right side
   22,513.54x = 382,294,382.96
5. Step 5: Solve for x
   x = 382,294,382.96/22,513.54
6. Step 6: Final answer
   x = 16,980.64