Finding the Fourth Proportional to 2,397.08, 3,308.20 and 1,402.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,397.08 : 3,308.20 = 1,402.30 : x
2. Step 2: Convert to fraction form
   2,397.08/3,308.20 = 1,402.30/x
3. Step 3: Cross multiply
   2,397.08x = 3,308.20 × 1,402.30
4. Step 4: Simplify right side
   2,397.08x = 4,639,065.31
5. Step 5: Solve for x
   x = 4,639,065.31/2,397.08
6. Step 6: Final answer
   x = 1,935.30