Finding the Fourth Proportional to 1,162.45, 1,743.89 and 382.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.45 : 1,743.89 = 382.50 : x
2. Step 2: Convert to fraction form
   1,162.45/1,743.89 = 382.50/x
3. Step 3: Cross multiply
   1,162.45x = 1,743.89 × 382.50
4. Step 4: Simplify right side
   1,162.45x = 667,037.93
5. Step 5: Solve for x
   x = 667,037.93/1,162.45
6. Step 6: Final answer
   x = 573.82