Finding the Fourth Proportional to 2,390.38, 3,298.25 and 1,551.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390.38 : 3,298.25 = 1,551.02 : x
2. Step 2: Convert to fraction form
   2,390.38/3,298.25 = 1,551.02/x
3. Step 3: Cross multiply
   2,390.38x = 3,298.25 × 1,551.02
4. Step 4: Simplify right side
   2,390.38x = 5,115,639.10
5. Step 5: Solve for x
   x = 5,115,639.10/2,390.38
6. Step 6: Final answer
   x = 2,140.10