Finding the Fourth Proportional to 2,698.86, 4,047.57 and 1,159.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,698.86 : 4,047.57 = 1,159.50 : x
2. Step 2: Convert to fraction form
   2,698.86/4,047.57 = 1,159.50/x
3. Step 3: Cross multiply
   2,698.86x = 4,047.57 × 1,159.50
4. Step 4: Simplify right side
   2,698.86x = 4,693,157.42
5. Step 5: Solve for x
   x = 4,693,157.42/2,698.86
6. Step 6: Final answer
   x = 1,738.94