Finding the Fourth Proportional to 2,953.91, 4,431.12 and 762.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,953.91 : 4,431.12 = 762.62 : x
2. Step 2: Convert to fraction form
   2,953.91/4,431.12 = 762.62/x
3. Step 3: Cross multiply
   2,953.91x = 4,431.12 × 762.62
4. Step 4: Simplify right side
   2,953.91x = 3,379,260.73
5. Step 5: Solve for x
   x = 3,379,260.73/2,953.91
6. Step 6: Final answer
   x = 1,144.00