Finding the Fourth Proportional to 5,810.76, 8,013.60 and 3,820.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,810.76 : 8,013.60 = 3,820.56 : x
2. Step 2: Convert to fraction form
   5,810.76/8,013.60 = 3,820.56/x
3. Step 3: Cross multiply
   5,810.76x = 8,013.60 × 3,820.56
4. Step 4: Simplify right side
   5,810.76x = 30,616,439.62
5. Step 5: Solve for x
   x = 30,616,439.62/5,810.76
6. Step 6: Final answer
   x = 5,268.92