Finding the Fourth Proportional to 2,731.61, 4,093.98 and 1,169.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,731.61 : 4,093.98 = 1,169.78 : x
2. Step 2: Convert to fraction form
   2,731.61/4,093.98 = 1,169.78/x
3. Step 3: Cross multiply
   2,731.61x = 4,093.98 × 1,169.78
4. Step 4: Simplify right side
   2,731.61x = 4,789,035.45
5. Step 5: Solve for x
   x = 4,789,035.45/2,731.61
6. Step 6: Final answer
   x = 1,753.19