Finding the Fourth Proportional to 21,540.84, 32,333.04 and 15,307.89

Step by Step Solution

1. Step 1: Write the proportion equation
   21,540.84 : 32,333.04 = 15,307.89 : x
2. Step 2: Convert to fraction form
   21,540.84/32,333.04 = 15,307.89/x
3. Step 3: Cross multiply
   21,540.84x = 32,333.04 × 15,307.89
4. Step 4: Simplify right side
   21,540.84x = 494,950,619.69
5. Step 5: Solve for x
   x = 494,950,619.69/21,540.84
6. Step 6: Final answer
   x = 22,977.31