Finding the Fourth Proportional to 11,711.98, 17,570.54 and 3,392.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,711.98 : 17,570.54 = 3,392.34 : x
2. Step 2: Convert to fraction form
   11,711.98/17,570.54 = 3,392.34/x
3. Step 3: Cross multiply
   11,711.98x = 17,570.54 × 3,392.34
4. Step 4: Simplify right side
   11,711.98x = 59,605,140.85
5. Step 5: Solve for x
   x = 59,605,140.85/11,711.98
6. Step 6: Final answer
   x = 5,089.25