Finding the Fourth Proportional to 1,738.86, 2,400.03 and 1,116.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,738.86 : 2,400.03 = 1,116.78 : x
2. Step 2: Convert to fraction form
   1,738.86/2,400.03 = 1,116.78/x
3. Step 3: Cross multiply
   1,738.86x = 2,400.03 × 1,116.78
4. Step 4: Simplify right side
   1,738.86x = 2,680,305.50
5. Step 5: Solve for x
   x = 2,680,305.50/1,738.86
6. Step 6: Final answer
   x = 1,541.42