Finding the Fourth Proportional to 22,116.10, 33,152.55 and 19,783.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,116.10 : 33,152.55 = 19,783.30 : x
2. Step 2: Convert to fraction form
   22,116.10/33,152.55 = 19,783.30/x
3. Step 3: Cross multiply
   22,116.10x = 33,152.55 × 19,783.30
4. Step 4: Simplify right side
   22,116.10x = 655,866,842.42
5. Step 5: Solve for x
   x = 655,866,842.42/22,116.10
6. Step 6: Final answer
   x = 29,655.63