Finding the Fourth Proportional to 3,627.58, 4,973.45 and 3,561.97

Step by Step Solution

1. Step 1: Write the proportion equation
   3,627.58 : 4,973.45 = 3,561.97 : x
2. Step 2: Convert to fraction form
   3,627.58/4,973.45 = 3,561.97/x
3. Step 3: Cross multiply
   3,627.58x = 4,973.45 × 3,561.97
4. Step 4: Simplify right side
   3,627.58x = 17,715,264.83
5. Step 5: Solve for x
   x = 17,715,264.83/3,627.58
6. Step 6: Final answer
   x = 4,883.50