Finding the Fourth Proportional to 56,911.15, 85,369.17 and 17,469.82

Step by Step Solution

1. Step 1: Write the proportion equation
   56,911.15 : 85,369.17 = 17,469.82 : x
2. Step 2: Convert to fraction form
   56,911.15/85,369.17 = 17,469.82/x
3. Step 3: Cross multiply
   56,911.15x = 85,369.17 × 17,469.82
4. Step 4: Simplify right side
   56,911.15x = 1,491,384,033.45
5. Step 5: Solve for x
   x = 1,491,384,033.45/56,911.15
6. Step 6: Final answer
   x = 26,205.48