Finding the Fourth Proportional to 5,719.29, 8,588.45 and 3,857.17

Step by Step Solution

1. Step 1: Write the proportion equation
   5,719.29 : 8,588.45 = 3,857.17 : x
2. Step 2: Convert to fraction form
   5,719.29/8,588.45 = 3,857.17/x
3. Step 3: Cross multiply
   5,719.29x = 8,588.45 × 3,857.17
4. Step 4: Simplify right side
   5,719.29x = 33,127,111.69
5. Step 5: Solve for x
   x = 33,127,111.69/5,719.29
6. Step 6: Final answer
   x = 5,792.17