Finding the Fourth Proportional to 3,472.74, 5,208.18 and 973.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,472.74 : 5,208.18 = 973.78 : x
2. Step 2: Convert to fraction form
   3,472.74/5,208.18 = 973.78/x
3. Step 3: Cross multiply
   3,472.74x = 5,208.18 × 973.78
4. Step 4: Simplify right side
   3,472.74x = 5,071,644.89
5. Step 5: Solve for x
   x = 5,071,644.89/3,472.74
6. Step 6: Final answer
   x = 1,460.42