Finding the Fourth Proportional to 2,259.88, 3,118.02 and 1,375.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259.88 : 3,118.02 = 1,375.72 : x
2. Step 2: Convert to fraction form
   2,259.88/3,118.02 = 1,375.72/x
3. Step 3: Cross multiply
   2,259.88x = 3,118.02 × 1,375.72
4. Step 4: Simplify right side
   2,259.88x = 4,289,522.47
5. Step 5: Solve for x
   x = 4,289,522.47/2,259.88
6. Step 6: Final answer
   x = 1,898.12