Finding the Fourth Proportional to 1,147.47, 1,562.33 and 1,143.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147.47 : 1,562.33 = 1,143.83 : x
2. Step 2: Convert to fraction form
   1,147.47/1,562.33 = 1,143.83/x
3. Step 3: Cross multiply
   1,147.47x = 1,562.33 × 1,143.83
4. Step 4: Simplify right side
   1,147.47x = 1,787,026.39
5. Step 5: Solve for x
   x = 1,787,026.39/1,147.47
6. Step 6: Final answer
   x = 1,557.36