Finding the Fourth Proportional to 2,079.31, 3,116.74 and 1,037.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079.31 : 3,116.74 = 1,037.26 : x
2. Step 2: Convert to fraction form
   2,079.31/3,116.74 = 1,037.26/x
3. Step 3: Cross multiply
   2,079.31x = 3,116.74 × 1,037.26
4. Step 4: Simplify right side
   2,079.31x = 3,232,856.91
5. Step 5: Solve for x
   x = 3,232,856.91/2,079.31
6. Step 6: Final answer
   x = 1,554.78