Finding the Fourth Proportional to 5,871.50, 8,801.30 and 3,681.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,871.50 : 8,801.30 = 3,681.76 : x
2. Step 2: Convert to fraction form
   5,871.50/8,801.30 = 3,681.76/x
3. Step 3: Cross multiply
   5,871.50x = 8,801.30 × 3,681.76
4. Step 4: Simplify right side
   5,871.50x = 32,404,274.29
5. Step 5: Solve for x
   x = 32,404,274.29/5,871.50
6. Step 6: Final answer
   x = 5,518.91