Finding the Fourth Proportional to 1,436.52, 2,154.24 and 1,131.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.52 : 2,154.24 = 1,131.96 : x
2. Step 2: Convert to fraction form
   1,436.52/2,154.24 = 1,131.96/x
3. Step 3: Cross multiply
   1,436.52x = 2,154.24 × 1,131.96
4. Step 4: Simplify right side
   1,436.52x = 2,438,513.51
5. Step 5: Solve for x
   x = 2,438,513.51/1,436.52
6. Step 6: Final answer
   x = 1,697.51