Finding the Fourth Proportional to 3,735.30, 5,188.50 and 3,675.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,735.30 : 5,188.50 = 3,675.72 : x
2. Step 2: Convert to fraction form
   3,735.30/5,188.50 = 3,675.72/x
3. Step 3: Cross multiply
   3,735.30x = 5,188.50 × 3,675.72
4. Step 4: Simplify right side
   3,735.30x = 19,071,473.22
5. Step 5: Solve for x
   x = 19,071,473.22/3,735.30
6. Step 6: Final answer
   x = 5,105.74