Finding the Fourth Proportional to 5,719.46, 8,573.37 and 3,870.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,719.46 : 8,573.37 = 3,870.76 : x
2. Step 2: Convert to fraction form
   5,719.46/8,573.37 = 3,870.76/x
3. Step 3: Cross multiply
   5,719.46x = 8,573.37 × 3,870.76
4. Step 4: Simplify right side
   5,719.46x = 33,185,457.66
5. Step 5: Solve for x
   x = 33,185,457.66/5,719.46
6. Step 6: Final answer
   x = 5,802.20