Finding the Fourth Proportional to 2,007.00, 2,769.70 and 1,122.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.00 : 2,769.70 = 1,122.79 : x
2. Step 2: Convert to fraction form
   2,007.00/2,769.70 = 1,122.79/x
3. Step 3: Cross multiply
   2,007.00x = 2,769.70 × 1,122.79
4. Step 4: Simplify right side
   2,007.00x = 3,109,777.61
5. Step 5: Solve for x
   x = 3,109,777.61/2,007.00
6. Step 6: Final answer
   x = 1,549.47