Finding the Fourth Proportional to 3,672.74, 5,053.34 and 3,173.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672.74 : 5,053.34 = 3,173.78 : x
2. Step 2: Convert to fraction form
   3,672.74/5,053.34 = 3,173.78/x
3. Step 3: Cross multiply
   3,672.74x = 5,053.34 × 3,173.78
4. Step 4: Simplify right side
   3,672.74x = 16,038,189.43
5. Step 5: Solve for x
   x = 16,038,189.43/3,672.74
6. Step 6: Final answer
   x = 4,366.82