Finding the Fourth Proportional to 2,431.83, 3,645.59 and 892.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431.83 : 3,645.59 = 892.47 : x
2. Step 2: Convert to fraction form
   2,431.83/3,645.59 = 892.47/x
3. Step 3: Cross multiply
   2,431.83x = 3,645.59 × 892.47
4. Step 4: Simplify right side
   2,431.83x = 3,253,575.24
5. Step 5: Solve for x
   x = 3,253,575.24/2,431.83
6. Step 6: Final answer
   x = 1,337.91