Finding the Fourth Proportional to 11,323.50, 16,978.62 and 3,423.66

Step by Step Solution

1. Step 1: Write the proportion equation
   11,323.50 : 16,978.62 = 3,423.66 : x
2. Step 2: Convert to fraction form
   11,323.50/16,978.62 = 3,423.66/x
3. Step 3: Cross multiply
   11,323.50x = 16,978.62 × 3,423.66
4. Step 4: Simplify right side
   11,323.50x = 58,129,022.15
5. Step 5: Solve for x
   x = 58,129,022.15/11,323.50
6. Step 6: Final answer
   x = 5,133.49