Finding the Fourth Proportional to 1,041.51, 1,434.78 and 875.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,041.51 : 1,434.78 = 875.73 : x
2. Step 2: Convert to fraction form
   1,041.51/1,434.78 = 875.73/x
3. Step 3: Cross multiply
   1,041.51x = 1,434.78 × 875.73
4. Step 4: Simplify right side
   1,041.51x = 1,256,479.89
5. Step 5: Solve for x
   x = 1,256,479.89/1,041.51
6. Step 6: Final answer
   x = 1,206.40