Finding the Fourth Proportional to 1,748.87, 2,618.69 and 1,647.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,748.87 : 2,618.69 = 1,647.71 : x
2. Step 2: Convert to fraction form
   1,748.87/2,618.69 = 1,647.71/x
3. Step 3: Cross multiply
   1,748.87x = 2,618.69 × 1,647.71
4. Step 4: Simplify right side
   1,748.87x = 4,314,820.37
5. Step 5: Solve for x
   x = 4,314,820.37/1,748.87
6. Step 6: Final answer
   x = 2,467.21