Finding the Fourth Proportional to 5,719.30, 7,892.71 and 3,361.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,719.30 : 7,892.71 = 3,361.50 : x
2. Step 2: Convert to fraction form
   5,719.30/7,892.71 = 3,361.50/x
3. Step 3: Cross multiply
   5,719.30x = 7,892.71 × 3,361.50
4. Step 4: Simplify right side
   5,719.30x = 26,531,344.67
5. Step 5: Solve for x
   x = 26,531,344.67/5,719.30
6. Step 6: Final answer
   x = 4,638.91