Finding the Fourth Proportional to 9,057.96, 13,588.38 and 3,863.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,057.96 : 13,588.38 = 3,863.88 : x
2. Step 2: Convert to fraction form
   9,057.96/13,588.38 = 3,863.88/x
3. Step 3: Cross multiply
   9,057.96x = 13,588.38 × 3,863.88
4. Step 4: Simplify right side
   9,057.96x = 52,503,869.71
5. Step 5: Solve for x
   x = 52,503,869.71/9,057.96
6. Step 6: Final answer
   x = 5,796.43