Finding the Fourth Proportional to 28,337.85, 42,448.41 and 16,622.82

Step by Step Solution

1. Step 1: Write the proportion equation
   28,337.85 : 42,448.41 = 16,622.82 : x
2. Step 2: Convert to fraction form
   28,337.85/42,448.41 = 16,622.82/x
3. Step 3: Cross multiply
   28,337.85x = 42,448.41 × 16,622.82
4. Step 4: Simplify right side
   28,337.85x = 705,612,278.72
5. Step 5: Solve for x
   x = 705,612,278.72/28,337.85
6. Step 6: Final answer
   x = 24,899.99