Finding the Fourth Proportional to 13,083.42, 19,618.59 and 5,585.79

Step by Step Solution

1. Step 1: Write the proportion equation
   13,083.42 : 19,618.59 = 5,585.79 : x
2. Step 2: Convert to fraction form
   13,083.42/19,618.59 = 5,585.79/x
3. Step 3: Cross multiply
   13,083.42x = 19,618.59 × 5,585.79
4. Step 4: Simplify right side
   13,083.42x = 109,585,323.84
5. Step 5: Solve for x
   x = 109,585,323.84/13,083.42
6. Step 6: Final answer
   x = 8,375.89