Finding the Fourth Proportional to 2,373.57, 3,274.52 and 1,587.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,373.57 : 3,274.52 = 1,587.87 : x
2. Step 2: Convert to fraction form
   2,373.57/3,274.52 = 1,587.87/x
3. Step 3: Cross multiply
   2,373.57x = 3,274.52 × 1,587.87
4. Step 4: Simplify right side
   2,373.57x = 5,199,501.90
5. Step 5: Solve for x
   x = 5,199,501.90/2,373.57
6. Step 6: Final answer
   x = 2,190.59