Finding the Fourth Proportional to 10,867.31, 16,299.52 and 3,847.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,867.31 : 16,299.52 = 3,847.50 : x
2. Step 2: Convert to fraction form
   10,867.31/16,299.52 = 3,847.50/x
3. Step 3: Cross multiply
   10,867.31x = 16,299.52 × 3,847.50
4. Step 4: Simplify right side
   10,867.31x = 62,712,321.70
5. Step 5: Solve for x
   x = 62,712,321.70/10,867.31
6. Step 6: Final answer
   x = 5,770.73