Finding the Fourth Proportional to 1,747.31, 2,621.03 and 514.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,747.31 : 2,621.03 = 514.72 : x
2. Step 2: Convert to fraction form
   1,747.31/2,621.03 = 514.72/x
3. Step 3: Cross multiply
   1,747.31x = 2,621.03 × 514.72
4. Step 4: Simplify right side
   1,747.31x = 1,349,096.56
5. Step 5: Solve for x
   x = 1,349,096.56/1,747.31
6. Step 6: Final answer
   x = 772.10