Finding the Fourth Proportional to 28,314.74, 39,057.72 and 17,709.62

Step by Step Solution

1. Step 1: Write the proportion equation
   28,314.74 : 39,057.72 = 17,709.62 : x
2. Step 2: Convert to fraction form
   28,314.74/39,057.72 = 17,709.62/x
3. Step 3: Cross multiply
   28,314.74x = 39,057.72 × 17,709.62
4. Step 4: Simplify right side
   28,314.74x = 691,697,379.27
5. Step 5: Solve for x
   x = 691,697,379.27/28,314.74
6. Step 6: Final answer
   x = 24,428.88