Finding the Fourth Proportional to 1,748.10, 2,412.05 and 1,118.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,748.10 : 2,412.05 = 1,118.15 : x
2. Step 2: Convert to fraction form
   1,748.10/2,412.05 = 1,118.15/x
3. Step 3: Cross multiply
   1,748.10x = 2,412.05 × 1,118.15
4. Step 4: Simplify right side
   1,748.10x = 2,697,016.06
5. Step 5: Solve for x
   x = 2,697,016.06/1,748.10
6. Step 6: Final answer
   x = 1,542.83