Finding the Fourth Proportional to 1,748.15, 2,412.79 and 1,002.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,748.15 : 2,412.79 = 1,002.61 : x
2. Step 2: Convert to fraction form
   1,748.15/2,412.79 = 1,002.61/x
3. Step 3: Cross multiply
   1,748.15x = 2,412.79 × 1,002.61
4. Step 4: Simplify right side
   1,748.15x = 2,419,076.34
5. Step 5: Solve for x
   x = 2,419,076.34/1,748.15
6. Step 6: Final answer
   x = 1,383.80