Finding the Fourth Proportional to 11,392.53, 17,089.31 and 3,494.47

Step by Step Solution

1. Step 1: Write the proportion equation
   11,392.53 : 17,089.31 = 3,494.47 : x
2. Step 2: Convert to fraction form
   11,392.53/17,089.31 = 3,494.47/x
3. Step 3: Cross multiply
   11,392.53x = 17,089.31 × 3,494.47
4. Step 4: Simplify right side
   11,392.53x = 59,718,081.12
5. Step 5: Solve for x
   x = 59,718,081.12/11,392.53
6. Step 6: Final answer
   x = 5,241.86