Finding the Fourth Proportional to 22,667.72, 33,978.80 and 8,624.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,667.72 : 33,978.80 = 8,624.15 : x
2. Step 2: Convert to fraction form
   22,667.72/33,978.80 = 8,624.15/x
3. Step 3: Cross multiply
   22,667.72x = 33,978.80 × 8,624.15
4. Step 4: Simplify right side
   22,667.72x = 293,038,098.13
5. Step 5: Solve for x
   x = 293,038,098.13/22,667.72
6. Step 6: Final answer
   x = 12,927.55