Finding the Fourth Proportional to 10,947.83, 15,103.50 and 8,083.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,947.83 : 15,103.50 = 8,083.40 : x
2. Step 2: Convert to fraction form
   10,947.83/15,103.50 = 8,083.40/x
3. Step 3: Cross multiply
   10,947.83x = 15,103.50 × 8,083.40
4. Step 4: Simplify right side
   10,947.83x = 122,087,526.07
5. Step 5: Solve for x
   x = 122,087,526.07/10,947.83
6. Step 6: Final answer
   x = 11,151.76