Finding the Fourth Proportional to 22,020.39, 32,947.83 and 13,102.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,020.39 : 32,947.83 = 13,102.88 : x
2. Step 2: Convert to fraction form
   22,020.39/32,947.83 = 13,102.88/x
3. Step 3: Cross multiply
   22,020.39x = 32,947.83 × 13,102.88
4. Step 4: Simplify right side
   22,020.39x = 431,711,298.01
5. Step 5: Solve for x
   x = 431,711,298.01/22,020.39
6. Step 6: Final answer
   x = 19,605.07