Finding the Fourth Proportional to 2,426.39, 3,349.57 and 1,587.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.39 : 3,349.57 = 1,587.13 : x
2. Step 2: Convert to fraction form
   2,426.39/3,349.57 = 1,587.13/x
3. Step 3: Cross multiply
   2,426.39x = 3,349.57 × 1,587.13
4. Step 4: Simplify right side
   2,426.39x = 5,316,203.03
5. Step 5: Solve for x
   x = 5,316,203.03/2,426.39
6. Step 6: Final answer
   x = 2,190.99