Finding the Fourth Proportional to 1,429.02, 1,961.54 and 1,268.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,429.02 : 1,961.54 = 1,268.15 : x
2. Step 2: Convert to fraction form
   1,429.02/1,961.54 = 1,268.15/x
3. Step 3: Cross multiply
   1,429.02x = 1,961.54 × 1,268.15
4. Step 4: Simplify right side
   1,429.02x = 2,487,510.80
5. Step 5: Solve for x
   x = 2,487,510.80/1,429.02
6. Step 6: Final answer
   x = 1,740.71