Finding the Fourth Proportional to 2,287.02, 3,155.16 and 1,401.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287.02 : 3,155.16 = 1,401.30 : x
2. Step 2: Convert to fraction form
   2,287.02/3,155.16 = 1,401.30/x
3. Step 3: Cross multiply
   2,287.02x = 3,155.16 × 1,401.30
4. Step 4: Simplify right side
   2,287.02x = 4,421,325.71
5. Step 5: Solve for x
   x = 4,421,325.71/2,287.02
6. Step 6: Final answer
   x = 1,933.23