Finding the Fourth Proportional to 41,986.56, 62,978.79 and 17,019.93

Step by Step Solution

1. Step 1: Write the proportion equation
   41,986.56 : 62,978.79 = 17,019.93 : x
2. Step 2: Convert to fraction form
   41,986.56/62,978.79 = 17,019.93/x
3. Step 3: Cross multiply
   41,986.56x = 62,978.79 × 17,019.93
4. Step 4: Simplify right side
   41,986.56x = 1,071,894,597.28
5. Step 5: Solve for x
   x = 1,071,894,597.28/41,986.56
6. Step 6: Final answer
   x = 25,529.47