Finding the Fourth Proportional to 34,092.26, 51,128.79 and 13,017.78

Step by Step Solution

1. Step 1: Write the proportion equation
   34,092.26 : 51,128.79 = 13,017.78 : x
2. Step 2: Convert to fraction form
   34,092.26/51,128.79 = 13,017.78/x
3. Step 3: Cross multiply
   34,092.26x = 51,128.79 × 13,017.78
4. Step 4: Simplify right side
   34,092.26x = 665,583,339.89
5. Step 5: Solve for x
   x = 665,583,339.89/34,092.26
6. Step 6: Final answer
   x = 19,523.01