Finding the Fourth Proportional to 1,437.74, 2,152.42 and 1,069.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,437.74 : 2,152.42 = 1,069.18 : x
2. Step 2: Convert to fraction form
   1,437.74/2,152.42 = 1,069.18/x
3. Step 3: Cross multiply
   1,437.74x = 2,152.42 × 1,069.18
4. Step 4: Simplify right side
   1,437.74x = 2,301,324.42
5. Step 5: Solve for x
   x = 2,301,324.42/1,437.74
6. Step 6: Final answer
   x = 1,600.65