Finding the Fourth Proportional to 1,550.24, 2,142.10 and 1,153.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550.24 : 2,142.10 = 1,153.50 : x
2. Step 2: Convert to fraction form
   1,550.24/2,142.10 = 1,153.50/x
3. Step 3: Cross multiply
   1,550.24x = 2,142.10 × 1,153.50
4. Step 4: Simplify right side
   1,550.24x = 2,470,909.47
5. Step 5: Solve for x
   x = 2,470,909.47/1,550.24
6. Step 6: Final answer
   x = 1,593.89