Finding the Fourth Proportional to 2,360.88, 3,257.91 and 1,298.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,360.88 : 3,257.91 = 1,298.70 : x
2. Step 2: Convert to fraction form
   2,360.88/3,257.91 = 1,298.70/x
3. Step 3: Cross multiply
   2,360.88x = 3,257.91 × 1,298.70
4. Step 4: Simplify right side
   2,360.88x = 4,231,047.72
5. Step 5: Solve for x
   x = 4,231,047.72/2,360.88
6. Step 6: Final answer
   x = 1,792.15