Finding the Fourth Proportional to 56,715.34, 85,085.71 and 17,275.54

Step by Step Solution

1. Step 1: Write the proportion equation
   56,715.34 : 85,085.71 = 17,275.54 : x
2. Step 2: Convert to fraction form
   56,715.34/85,085.71 = 17,275.54/x
3. Step 3: Cross multiply
   56,715.34x = 85,085.71 × 17,275.54
4. Step 4: Simplify right side
   56,715.34x = 1,469,901,586.53
5. Step 5: Solve for x
   x = 1,469,901,586.53/56,715.34
6. Step 6: Final answer
   x = 25,917.18