Finding the Fourth Proportional to 1,746.78, 2,410.50 and 960.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,746.78 : 2,410.50 = 960.81 : x
2. Step 2: Convert to fraction form
   1,746.78/2,410.50 = 960.81/x
3. Step 3: Cross multiply
   1,746.78x = 2,410.50 × 960.81
4. Step 4: Simplify right side
   1,746.78x = 2,316,032.51
5. Step 5: Solve for x
   x = 2,316,032.51/1,746.78
6. Step 6: Final answer
   x = 1,325.89