Finding the Fourth Proportional to 2,435.27, 3,360.89 and 1,387.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,435.27 : 3,360.89 = 1,387.13 : x
2. Step 2: Convert to fraction form
   2,435.27/3,360.89 = 1,387.13/x
3. Step 3: Cross multiply
   2,435.27x = 3,360.89 × 1,387.13
4. Step 4: Simplify right side
   2,435.27x = 4,661,978.01
5. Step 5: Solve for x
   x = 4,661,978.01/2,435.27
6. Step 6: Final answer
   x = 1,914.36