Finding the Fourth Proportional to 57,647.42, 86,473.78 and 17,663.54

Step by Step Solution

1. Step 1: Write the proportion equation
   57,647.42 : 86,473.78 = 17,663.54 : x
2. Step 2: Convert to fraction form
   57,647.42/86,473.78 = 17,663.54/x
3. Step 3: Cross multiply
   57,647.42x = 86,473.78 × 17,663.54
4. Step 4: Simplify right side
   57,647.42x = 1,527,433,071.98
5. Step 5: Solve for x
   x = 1,527,433,071.98/57,647.42
6. Step 6: Final answer
   x = 26,496.12