Finding the Fourth Proportional to 22,019.31, 33,030.05 and 8,869.91

Step by Step Solution

1. Step 1: Write the proportion equation
   22,019.31 : 33,030.05 = 8,869.91 : x
2. Step 2: Convert to fraction form
   22,019.31/33,030.05 = 8,869.91/x
3. Step 3: Cross multiply
   22,019.31x = 33,030.05 × 8,869.91
4. Step 4: Simplify right side
   22,019.31x = 292,973,361.30
5. Step 5: Solve for x
   x = 292,973,361.30/22,019.31
6. Step 6: Final answer
   x = 13,305.29