Finding the Fourth Proportional to 22,338.96, 30,821.20 and 13,847.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,338.96 : 30,821.20 = 13,847.32 : x
2. Step 2: Convert to fraction form
   22,338.96/30,821.20 = 13,847.32/x
3. Step 3: Cross multiply
   22,338.96x = 30,821.20 × 13,847.32
4. Step 4: Simplify right side
   22,338.96x = 426,791,019.18
5. Step 5: Solve for x
   x = 426,791,019.18/22,338.96
6. Step 6: Final answer
   x = 19,105.23