Finding the Fourth Proportional to 2,519.94, 3,777.17 and 875.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,519.94 : 3,777.17 = 875.61 : x
2. Step 2: Convert to fraction form
   2,519.94/3,777.17 = 875.61/x
3. Step 3: Cross multiply
   2,519.94x = 3,777.17 × 875.61
4. Step 4: Simplify right side
   2,519.94x = 3,307,323.45
5. Step 5: Solve for x
   x = 3,307,323.45/2,519.94
6. Step 6: Final answer
   x = 1,312.46