Finding the Fourth Proportional to 13,003.67, 19,505.49 and 5,217.95

Step by Step Solution

1. Step 1: Write the proportion equation
   13,003.67 : 19,505.49 = 5,217.95 : x
2. Step 2: Convert to fraction form
   13,003.67/19,505.49 = 5,217.95/x
3. Step 3: Cross multiply
   13,003.67x = 19,505.49 × 5,217.95
4. Step 4: Simplify right side
   13,003.67x = 101,778,671.55
5. Step 5: Solve for x
   x = 101,778,671.55/13,003.67
6. Step 6: Final answer
   x = 7,826.92