Finding the Fourth Proportional to 2,487.06, 3,731.52 and 1,171.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487.06 : 3,731.52 = 1,171.23 : x
2. Step 2: Convert to fraction form
   2,487.06/3,731.52 = 1,171.23/x
3. Step 3: Cross multiply
   2,487.06x = 3,731.52 × 1,171.23
4. Step 4: Simplify right side
   2,487.06x = 4,370,468.17
5. Step 5: Solve for x
   x = 4,370,468.17/2,487.06
6. Step 6: Final answer
   x = 1,757.28