Finding the Fourth Proportional to 22,890.08, 34,331.82 and 8,856.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,890.08 : 34,331.82 = 8,856.72 : x
2. Step 2: Convert to fraction form
   22,890.08/34,331.82 = 8,856.72/x
3. Step 3: Cross multiply
   22,890.08x = 34,331.82 × 8,856.72
4. Step 4: Simplify right side
   22,890.08x = 304,067,316.83
5. Step 5: Solve for x
   x = 304,067,316.83/22,890.08
6. Step 6: Final answer
   x = 13,283.81