Finding the Fourth Proportional to 2,402.02, 3,315.61 and 1,407.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.02 : 3,315.61 = 1,407.62 : x
2. Step 2: Convert to fraction form
   2,402.02/3,315.61 = 1,407.62/x
3. Step 3: Cross multiply
   2,402.02x = 3,315.61 × 1,407.62
4. Step 4: Simplify right side
   2,402.02x = 4,667,098.85
5. Step 5: Solve for x
   x = 4,667,098.85/2,402.02
6. Step 6: Final answer
   x = 1,942.99