Finding the Fourth Proportional to 2,762.84, 4,145.86 and 1,031.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,762.84 : 4,145.86 = 1,031.40 : x
2. Step 2: Convert to fraction form
   2,762.84/4,145.86 = 1,031.40/x
3. Step 3: Cross multiply
   2,762.84x = 4,145.86 × 1,031.40
4. Step 4: Simplify right side
   2,762.84x = 4,276,040.00
5. Step 5: Solve for x
   x = 4,276,040.00/2,762.84
6. Step 6: Final answer
   x = 1,547.70