Finding the Fourth Proportional to 1,748.71, 2,411.22 and 1,305.87

Step by Step Solution

1. Step 1: Write the proportion equation
   1,748.71 : 2,411.22 = 1,305.87 : x
2. Step 2: Convert to fraction form
   1,748.71/2,411.22 = 1,305.87/x
3. Step 3: Cross multiply
   1,748.71x = 2,411.22 × 1,305.87
4. Step 4: Simplify right side
   1,748.71x = 3,148,739.86
5. Step 5: Solve for x
   x = 3,148,739.86/1,748.71
6. Step 6: Final answer
   x = 1,800.61