Finding the Fourth Proportional to 12,983.52, 19,469.88 and 5,584.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,983.52 : 19,469.88 = 5,584.08 : x
2. Step 2: Convert to fraction form
   12,983.52/19,469.88 = 5,584.08/x
3. Step 3: Cross multiply
   12,983.52x = 19,469.88 × 5,584.08
4. Step 4: Simplify right side
   12,983.52x = 108,721,367.51
5. Step 5: Solve for x
   x = 108,721,367.51/12,983.52
6. Step 6: Final answer
   x = 8,373.80