Finding the Fourth Proportional to 28,291.74, 42,379.29 and 16,569.42

Step by Step Solution

1. Step 1: Write the proportion equation
   28,291.74 : 42,379.29 = 16,569.42 : x
2. Step 2: Convert to fraction form
   28,291.74/42,379.29 = 16,569.42/x
3. Step 3: Cross multiply
   28,291.74x = 42,379.29 × 16,569.42
4. Step 4: Simplify right side
   28,291.74x = 702,200,255.31
5. Step 5: Solve for x
   x = 702,200,255.31/28,291.74
6. Step 6: Final answer
   x = 24,819.97