Finding the Fourth Proportional to 2,591.37, 3,887.04 and 742.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.37 : 3,887.04 = 742.47 : x
2. Step 2: Convert to fraction form
   2,591.37/3,887.04 = 742.47/x
3. Step 3: Cross multiply
   2,591.37x = 3,887.04 × 742.47
4. Step 4: Simplify right side
   2,591.37x = 2,886,010.59
5. Step 5: Solve for x
   x = 2,886,010.59/2,591.37
6. Step 6: Final answer
   x = 1,113.70