Finding the Fourth Proportional to 57,300.08, 85,951.25 and 19,861.37

Step by Step Solution

1. Step 1: Write the proportion equation
   57,300.08 : 85,951.25 = 19,861.37 : x
2. Step 2: Convert to fraction form
   57,300.08/85,951.25 = 19,861.37/x
3. Step 3: Cross multiply
   57,300.08x = 85,951.25 × 19,861.37
4. Step 4: Simplify right side
   57,300.08x = 1,707,109,049.15
5. Step 5: Solve for x
   x = 1,707,109,049.15/57,300.08
6. Step 6: Final answer
   x = 29,792.44