Finding the Fourth Proportional to 1,437.63, 1,983.96 and 1,123.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,437.63 : 1,983.96 = 1,123.25 : x
2. Step 2: Convert to fraction form
   1,437.63/1,983.96 = 1,123.25/x
3. Step 3: Cross multiply
   1,437.63x = 1,983.96 × 1,123.25
4. Step 4: Simplify right side
   1,437.63x = 2,228,473.15
5. Step 5: Solve for x
   x = 2,228,473.15/1,437.63
6. Step 6: Final answer
   x = 1,550.10