Finding the Fourth Proportional to 2,389.74, 3,582.72 and 1,657.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389.74 : 3,582.72 = 1,657.14 : x
2. Step 2: Convert to fraction form
   2,389.74/3,582.72 = 1,657.14/x
3. Step 3: Cross multiply
   2,389.74x = 3,582.72 × 1,657.14
4. Step 4: Simplify right side
   2,389.74x = 5,937,068.62
5. Step 5: Solve for x
   x = 5,937,068.62/2,389.74
6. Step 6: Final answer
   x = 2,484.40