Finding the Fourth Proportional to 2,697.91, 4,047.17 and 848.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,697.91 : 4,047.17 = 848.53 : x
2. Step 2: Convert to fraction form
   2,697.91/4,047.17 = 848.53/x
3. Step 3: Cross multiply
   2,697.91x = 4,047.17 × 848.53
4. Step 4: Simplify right side
   2,697.91x = 3,434,123.21
5. Step 5: Solve for x
   x = 3,434,123.21/2,697.91
6. Step 6: Final answer
   x = 1,272.88