Finding the Fourth Proportional to 2,434.52, 3,358.72 and 1,386.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,434.52 : 3,358.72 = 1,386.02 : x
2. Step 2: Convert to fraction form
   2,434.52/3,358.72 = 1,386.02/x
3. Step 3: Cross multiply
   2,434.52x = 3,358.72 × 1,386.02
4. Step 4: Simplify right side
   2,434.52x = 4,655,263.22
5. Step 5: Solve for x
   x = 4,655,263.22/2,434.52
6. Step 6: Final answer
   x = 1,912.19