Finding the Fourth Proportional to 1,747.59, 2,620.89 and 514.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,747.59 : 2,620.89 = 514.98 : x
2. Step 2: Convert to fraction form
   1,747.59/2,620.89 = 514.98/x
3. Step 3: Cross multiply
   1,747.59x = 2,620.89 × 514.98
4. Step 4: Simplify right side
   1,747.59x = 1,349,705.93
5. Step 5: Solve for x
   x = 1,349,705.93/1,747.59
6. Step 6: Final answer
   x = 772.32