Finding the Fourth Proportional to 2,174.47, 3,261.69 and 531.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174.47 : 3,261.69 = 531.02 : x
2. Step 2: Convert to fraction form
   2,174.47/3,261.69 = 531.02/x
3. Step 3: Cross multiply
   2,174.47x = 3,261.69 × 531.02
4. Step 4: Simplify right side
   2,174.47x = 1,732,030.78
5. Step 5: Solve for x
   x = 1,732,030.78/2,174.47
6. Step 6: Final answer
   x = 796.53