Finding the Fourth Proportional to 2,725.07, 4,086.73 and 875.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,725.07 : 4,086.73 = 875.74 : x
2. Step 2: Convert to fraction form
   2,725.07/4,086.73 = 875.74/x
3. Step 3: Cross multiply
   2,725.07x = 4,086.73 × 875.74
4. Step 4: Simplify right side
   2,725.07x = 3,578,897.51
5. Step 5: Solve for x
   x = 3,578,897.51/2,725.07
6. Step 6: Final answer
   x = 1,313.32