Finding the Fourth Proportional to 1,552.06, 2,144.78 and 1,178.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,552.06 : 2,144.78 = 1,178.38 : x
2. Step 2: Convert to fraction form
   1,552.06/2,144.78 = 1,178.38/x
3. Step 3: Cross multiply
   1,552.06x = 2,144.78 × 1,178.38
4. Step 4: Simplify right side
   1,552.06x = 2,527,365.86
5. Step 5: Solve for x
   x = 2,527,365.86/1,552.06
6. Step 6: Final answer
   x = 1,628.39