Finding the Fourth Proportional to 1,069.89, 1,475.55 and 848.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069.89 : 1,475.55 = 848.49 : x
2. Step 2: Convert to fraction form
   1,069.89/1,475.55 = 848.49/x
3. Step 3: Cross multiply
   1,069.89x = 1,475.55 × 848.49
4. Step 4: Simplify right side
   1,069.89x = 1,251,989.42
5. Step 5: Solve for x
   x = 1,251,989.42/1,069.89
6. Step 6: Final answer
   x = 1,170.20