Finding the Fourth Proportional to 57,568.83, 86,345.69 and 18,126.15

Step by Step Solution

1. Step 1: Write the proportion equation
   57,568.83 : 86,345.69 = 18,126.15 : x
2. Step 2: Convert to fraction form
   57,568.83/86,345.69 = 18,126.15/x
3. Step 3: Cross multiply
   57,568.83x = 86,345.69 × 18,126.15
4. Step 4: Simplify right side
   57,568.83x = 1,565,114,838.16
5. Step 5: Solve for x
   x = 1,565,114,838.16/57,568.83
6. Step 6: Final answer
   x = 27,186.84