Finding the Fourth Proportional to 1,437.27, 1,985.42 and 1,109.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,437.27 : 1,985.42 = 1,109.83 : x
2. Step 2: Convert to fraction form
   1,437.27/1,985.42 = 1,109.83/x
3. Step 3: Cross multiply
   1,437.27x = 1,985.42 × 1,109.83
4. Step 4: Simplify right side
   1,437.27x = 2,203,476.19
5. Step 5: Solve for x
   x = 2,203,476.19/1,437.27
6. Step 6: Final answer
   x = 1,533.10