Finding the Fourth Proportional to 5,871.21, 8,800.89 and 3,681.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,871.21 : 8,800.89 = 3,681.48 : x
2. Step 2: Convert to fraction form
   5,871.21/8,800.89 = 3,681.48/x
3. Step 3: Cross multiply
   5,871.21x = 8,800.89 × 3,681.48
4. Step 4: Simplify right side
   5,871.21x = 32,400,300.52
5. Step 5: Solve for x
   x = 32,400,300.52/5,871.21
6. Step 6: Final answer
   x = 5,518.50