Finding the Fourth Proportional to 2,531.13, 3,797.86 and 970.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,531.13 : 3,797.86 = 970.61 : x
2. Step 2: Convert to fraction form
   2,531.13/3,797.86 = 970.61/x
3. Step 3: Cross multiply
   2,531.13x = 3,797.86 × 970.61
4. Step 4: Simplify right side
   2,531.13x = 3,686,240.89
5. Step 5: Solve for x
   x = 3,686,240.89/2,531.13
6. Step 6: Final answer
   x = 1,456.36