Finding the Fourth Proportional to 2,007.06, 2,769.62 and 1,122.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.06 : 2,769.62 = 1,122.86 : x
2. Step 2: Convert to fraction form
   2,007.06/2,769.62 = 1,122.86/x
3. Step 3: Cross multiply
   2,007.06x = 2,769.62 × 1,122.86
4. Step 4: Simplify right side
   2,007.06x = 3,109,876.05
5. Step 5: Solve for x
   x = 3,109,876.05/2,007.06
6. Step 6: Final answer
   x = 1,549.47