Finding the Fourth Proportional to 2,393.37, 3,591.45 and 1,006.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,393.37 : 3,591.45 = 1,006.61 : x
2. Step 2: Convert to fraction form
   2,393.37/3,591.45 = 1,006.61/x
3. Step 3: Cross multiply
   2,393.37x = 3,591.45 × 1,006.61
4. Step 4: Simplify right side
   2,393.37x = 3,615,171.53
5. Step 5: Solve for x
   x = 3,615,171.53/2,393.37
6. Step 6: Final answer
   x = 1,510.49