Finding the Fourth Proportional to 1,586.72, 2,377.85 and 1,499.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,586.72 : 2,377.85 = 1,499.10 : x
2. Step 2: Convert to fraction form
   1,586.72/2,377.85 = 1,499.10/x
3. Step 3: Cross multiply
   1,586.72x = 2,377.85 × 1,499.10
4. Step 4: Simplify right side
   1,586.72x = 3,564,627.44
5. Step 5: Solve for x
   x = 3,564,627.44/1,586.72
6. Step 6: Final answer
   x = 2,246.55