Finding the Fourth Proportional to 1,748.32, 2,412.55 and 1,085.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,748.32 : 2,412.55 = 1,085.05 : x
2. Step 2: Convert to fraction form
   1,748.32/2,412.55 = 1,085.05/x
3. Step 3: Cross multiply
   1,748.32x = 2,412.55 × 1,085.05
4. Step 4: Simplify right side
   1,748.32x = 2,617,737.38
5. Step 5: Solve for x
   x = 2,617,737.38/1,748.32
6. Step 6: Final answer
   x = 1,497.29