Finding the Fourth Proportional to 8,083.52, 11,159.04 and 5,429.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,083.52 : 11,159.04 = 5,429.84 : x
2. Step 2: Convert to fraction form
   8,083.52/11,159.04 = 5,429.84/x
3. Step 3: Cross multiply
   8,083.52x = 11,159.04 × 5,429.84
4. Step 4: Simplify right side
   8,083.52x = 60,591,801.75
5. Step 5: Solve for x
   x = 60,591,801.75/8,083.52
6. Step 6: Final answer
   x = 7,495.72