Finding the Fourth Proportional to 3,747.91, 5,610.80 and 3,587.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,747.91 : 5,610.80 = 3,587.53 : x
2. Step 2: Convert to fraction form
   3,747.91/5,610.80 = 3,587.53/x
3. Step 3: Cross multiply
   3,747.91x = 5,610.80 × 3,587.53
4. Step 4: Simplify right side
   3,747.91x = 20,128,895.39
5. Step 5: Solve for x
   x = 20,128,895.39/3,747.91
6. Step 6: Final answer
   x = 5,370.70