Finding the Fourth Proportional to 2,591.56, 3,887.99 and 742.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.56 : 3,887.99 = 742.83 : x
2. Step 2: Convert to fraction form
   2,591.56/3,887.99 = 742.83/x
3. Step 3: Cross multiply
   2,591.56x = 3,887.99 × 742.83
4. Step 4: Simplify right side
   2,591.56x = 2,888,115.61
5. Step 5: Solve for x
   x = 2,888,115.61/2,591.56
6. Step 6: Final answer
   x = 1,114.43