Finding the Fourth Proportional to 2,007.59, 2,770.34 and 1,123.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.59 : 2,770.34 = 1,123.47 : x
2. Step 2: Convert to fraction form
   2,007.59/2,770.34 = 1,123.47/x
3. Step 3: Cross multiply
   2,007.59x = 2,770.34 × 1,123.47
4. Step 4: Simplify right side
   2,007.59x = 3,112,388.26
5. Step 5: Solve for x
   x = 3,112,388.26/2,007.59
6. Step 6: Final answer
   x = 1,550.31