Finding the Fourth Proportional to 22,016.40, 33,032.70 and 8,870.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,016.40 : 33,032.70 = 8,870.10 : x
2. Step 2: Convert to fraction form
   22,016.40/33,032.70 = 8,870.10/x
3. Step 3: Cross multiply
   22,016.40x = 33,032.70 × 8,870.10
4. Step 4: Simplify right side
   22,016.40x = 293,003,352.27
5. Step 5: Solve for x
   x = 293,003,352.27/22,016.40
6. Step 6: Final answer
   x = 13,308.41