Finding the Fourth Proportional to 2,723.82, 4,084.71 and 875.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,723.82 : 4,084.71 = 875.40 : x
2. Step 2: Convert to fraction form
   2,723.82/4,084.71 = 875.40/x
3. Step 3: Cross multiply
   2,723.82x = 4,084.71 × 875.40
4. Step 4: Simplify right side
   2,723.82x = 3,575,755.13
5. Step 5: Solve for x
   x = 3,575,755.13/2,723.82
6. Step 6: Final answer
   x = 1,312.77