Finding the Fourth Proportional to 2,782.18, 4,173.69 and 1,026.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,782.18 : 4,173.69 = 1,026.91 : x
2. Step 2: Convert to fraction form
   2,782.18/4,173.69 = 1,026.91/x
3. Step 3: Cross multiply
   2,782.18x = 4,173.69 × 1,026.91
4. Step 4: Simplify right side
   2,782.18x = 4,286,004.00
5. Step 5: Solve for x
   x = 4,286,004.00/2,782.18
6. Step 6: Final answer
   x = 1,540.52