Finding the Fourth Proportional to 1,586.94, 2,377.98 and 1,380.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,586.94 : 2,377.98 = 1,380.48 : x
2. Step 2: Convert to fraction form
   1,586.94/2,377.98 = 1,380.48/x
3. Step 3: Cross multiply
   1,586.94x = 2,377.98 × 1,380.48
4. Step 4: Simplify right side
   1,586.94x = 3,282,753.83
5. Step 5: Solve for x
   x = 3,282,753.83/1,586.94
6. Step 6: Final answer
   x = 2,068.61