Finding the Fourth Proportional to 2,360.16, 3,256.83 and 1,312.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,360.16 : 3,256.83 = 1,312.20 : x
2. Step 2: Convert to fraction form
   2,360.16/3,256.83 = 1,312.20/x
3. Step 3: Cross multiply
   2,360.16x = 3,256.83 × 1,312.20
4. Step 4: Simplify right side
   2,360.16x = 4,273,612.33
5. Step 5: Solve for x
   x = 4,273,612.33/2,360.16
6. Step 6: Final answer
   x = 1,810.73