Finding the Fourth Proportional to 2,518.06, 3,777.49 and 875.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.06 : 3,777.49 = 875.10 : x
2. Step 2: Convert to fraction form
   2,518.06/3,777.49 = 875.10/x
3. Step 3: Cross multiply
   2,518.06x = 3,777.49 × 875.10
4. Step 4: Simplify right side
   2,518.06x = 3,305,681.50
5. Step 5: Solve for x
   x = 3,305,681.50/2,518.06
6. Step 6: Final answer
   x = 1,312.79