Finding the Fourth Proportional to 2,074.88, 3,112.29 and 514.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,074.88 : 3,112.29 = 514.89 : x
2. Step 2: Convert to fraction form
   2,074.88/3,112.29 = 514.89/x
3. Step 3: Cross multiply
   2,074.88x = 3,112.29 × 514.89
4. Step 4: Simplify right side
   2,074.88x = 1,602,487.00
5. Step 5: Solve for x
   x = 1,602,487.00/2,074.88
6. Step 6: Final answer
   x = 772.33