Finding the Fourth Proportional to 2,372.16, 3,274.08 and 1,587.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,372.16 : 3,274.08 = 1,587.52 : x
2. Step 2: Convert to fraction form
   2,372.16/3,274.08 = 1,587.52/x
3. Step 3: Cross multiply
   2,372.16x = 3,274.08 × 1,587.52
4. Step 4: Simplify right side
   2,372.16x = 5,197,667.48
5. Step 5: Solve for x
   x = 5,197,667.48/2,372.16
6. Step 6: Final answer
   x = 2,191.11