Finding the Fourth Proportional to 2,591.89, 3,887.73 and 1,031.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.89 : 3,887.73 = 1,031.83 : x
2. Step 2: Convert to fraction form
   2,591.89/3,887.73 = 1,031.83/x
3. Step 3: Cross multiply
   2,591.89x = 3,887.73 × 1,031.83
4. Step 4: Simplify right side
   2,591.89x = 4,011,476.45
5. Step 5: Solve for x
   x = 4,011,476.45/2,591.89
6. Step 6: Final answer
   x = 1,547.70