Finding the Fourth Proportional to 1,749.88, 2,411.58 and 1,306.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,749.88 : 2,411.58 = 1,306.72 : x
2. Step 2: Convert to fraction form
   1,749.88/2,411.58 = 1,306.72/x
3. Step 3: Cross multiply
   1,749.88x = 2,411.58 × 1,306.72
4. Step 4: Simplify right side
   1,749.88x = 3,151,259.82
5. Step 5: Solve for x
   x = 3,151,259.82/1,749.88
6. Step 6: Final answer
   x = 1,800.84