Finding the Fourth Proportional to 2,886.83, 3,983.82 and 1,560.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,886.83 : 3,983.82 = 1,560.53 : x
2. Step 2: Convert to fraction form
   2,886.83/3,983.82 = 1,560.53/x
3. Step 3: Cross multiply
   2,886.83x = 3,983.82 × 1,560.53
4. Step 4: Simplify right side
   2,886.83x = 6,216,850.71
5. Step 5: Solve for x
   x = 6,216,850.71/2,886.83
6. Step 6: Final answer
   x = 2,153.53