Finding the Fourth Proportional to 1,748.72, 2,412.32 and 1,328.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,748.72 : 2,412.32 = 1,328.38 : x
2. Step 2: Convert to fraction form
   1,748.72/2,412.32 = 1,328.38/x
3. Step 3: Cross multiply
   1,748.72x = 2,412.32 × 1,328.38
4. Step 4: Simplify right side
   1,748.72x = 3,204,477.64
5. Step 5: Solve for x
   x = 3,204,477.64/1,748.72
6. Step 6: Final answer
   x = 1,832.47