Finding the Fourth Proportional to 2,487.72, 3,730.16 and 1,027.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487.72 : 3,730.16 = 1,027.88 : x
2. Step 2: Convert to fraction form
   2,487.72/3,730.16 = 1,027.88/x
3. Step 3: Cross multiply
   2,487.72x = 3,730.16 × 1,027.88
4. Step 4: Simplify right side
   2,487.72x = 3,834,156.86
5. Step 5: Solve for x
   x = 3,834,156.86/2,487.72
6. Step 6: Final answer
   x = 1,541.23