Finding the Fourth Proportional to 13,326.26, 19,985.72 and 5,005.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,326.26 : 19,985.72 = 5,005.62 : x
2. Step 2: Convert to fraction form
   13,326.26/19,985.72 = 5,005.62/x
3. Step 3: Cross multiply
   13,326.26x = 19,985.72 × 5,005.62
4. Step 4: Simplify right side
   13,326.26x = 100,040,894.72
5. Step 5: Solve for x
   x = 100,040,894.72/13,326.26
6. Step 6: Final answer
   x = 7,507.05