Finding the Fourth Proportional to 11,615.36, 17,423.70 and 3,294.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,615.36 : 17,423.70 = 3,294.72 : x
2. Step 2: Convert to fraction form
   11,615.36/17,423.70 = 3,294.72/x
3. Step 3: Cross multiply
   11,615.36x = 17,423.70 × 3,294.72
4. Step 4: Simplify right side
   11,615.36x = 57,406,156.95
5. Step 5: Solve for x
   x = 57,406,156.95/11,615.36
6. Step 6: Final answer
   x = 4,942.26