Finding the Fourth Proportional to 2,873.61, 4,309.50 and 1,118.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,873.61 : 4,309.50 = 1,118.52 : x
2. Step 2: Convert to fraction form
   2,873.61/4,309.50 = 1,118.52/x
3. Step 3: Cross multiply
   2,873.61x = 4,309.50 × 1,118.52
4. Step 4: Simplify right side
   2,873.61x = 4,820,261.94
5. Step 5: Solve for x
   x = 4,820,261.94/2,873.61
6. Step 6: Final answer
   x = 1,677.42