Finding the Fourth Proportional to 11,323.31, 16,978.49 and 4,743.95

Step by Step Solution

1. Step 1: Write the proportion equation
   11,323.31 : 16,978.49 = 4,743.95 : x
2. Step 2: Convert to fraction form
   11,323.31/16,978.49 = 4,743.95/x
3. Step 3: Cross multiply
   11,323.31x = 16,978.49 × 4,743.95
4. Step 4: Simplify right side
   11,323.31x = 80,545,083.92
5. Step 5: Solve for x
   x = 80,545,083.92/11,323.31
6. Step 6: Final answer
   x = 7,113.21