Finding the Fourth Proportional to 22,019.56, 33,030.42 and 8,870.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,019.56 : 33,030.42 = 8,870.16 : x
2. Step 2: Convert to fraction form
   22,019.56/33,030.42 = 8,870.16/x
3. Step 3: Cross multiply
   22,019.56x = 33,030.42 × 8,870.16
4. Step 4: Simplify right side
   22,019.56x = 292,985,110.27
5. Step 5: Solve for x
   x = 292,985,110.27/22,019.56
6. Step 6: Final answer
   x = 13,305.68