Finding the Fourth Proportional to 22,337.33, 30,781.08 and 15,945.89

Step by Step Solution

1. Step 1: Write the proportion equation
   22,337.33 : 30,781.08 = 15,945.89 : x
2. Step 2: Convert to fraction form
   22,337.33/30,781.08 = 15,945.89/x
3. Step 3: Cross multiply
   22,337.33x = 30,781.08 × 15,945.89
4. Step 4: Simplify right side
   22,337.33x = 490,831,561.86
5. Step 5: Solve for x
   x = 490,831,561.86/22,337.33
6. Step 6: Final answer
   x = 21,973.61