Finding the Fourth Proportional to 1,748.25, 2,410.68 and 1,393.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,748.25 : 2,410.68 = 1,393.47 : x
2. Step 2: Convert to fraction form
   1,748.25/2,410.68 = 1,393.47/x
3. Step 3: Cross multiply
   1,748.25x = 2,410.68 × 1,393.47
4. Step 4: Simplify right side
   1,748.25x = 3,359,210.26
5. Step 5: Solve for x
   x = 3,359,210.26/1,748.25
6. Step 6: Final answer
   x = 1,921.47