Finding the Fourth Proportional to 1,748.76, 2,411.19 and 1,393.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,748.76 : 2,411.19 = 1,393.58 : x
2. Step 2: Convert to fraction form
   1,748.76/2,411.19 = 1,393.58/x
3. Step 3: Cross multiply
   1,748.76x = 2,411.19 × 1,393.58
4. Step 4: Simplify right side
   1,748.76x = 3,360,174.10
5. Step 5: Solve for x
   x = 3,360,174.10/1,748.76
6. Step 6: Final answer
   x = 1,921.46