Finding the Fourth Proportional to 22,947.72, 34,432.62 and 8,167.40

Step by Step Solution

1. Step 1: Write the proportion equation
   22,947.72 : 34,432.62 = 8,167.40 : x
2. Step 2: Convert to fraction form
   22,947.72/34,432.62 = 8,167.40/x
3. Step 3: Cross multiply
   22,947.72x = 34,432.62 × 8,167.40
4. Step 4: Simplify right side
   22,947.72x = 281,224,980.59
5. Step 5: Solve for x
   x = 281,224,980.59/22,947.72
6. Step 6: Final answer
   x = 12,255.03