Finding the Fourth Proportional to 1,700.42, 2,552.79 and 1,445.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,700.42 : 2,552.79 = 1,445.54 : x
2. Step 2: Convert to fraction form
   1,700.42/2,552.79 = 1,445.54/x
3. Step 3: Cross multiply
   1,700.42x = 2,552.79 × 1,445.54
4. Step 4: Simplify right side
   1,700.42x = 3,690,160.06
5. Step 5: Solve for x
   x = 3,690,160.06/1,700.42
6. Step 6: Final answer
   x = 2,170.15