Finding the Fourth Proportional to 13,002.18, 19,503.24 and 5,216.46

Step by Step Solution

1. Step 1: Write the proportion equation
   13,002.18 : 19,503.24 = 5,216.46 : x
2. Step 2: Convert to fraction form
   13,002.18/19,503.24 = 5,216.46/x
3. Step 3: Cross multiply
   13,002.18x = 19,503.24 × 5,216.46
4. Step 4: Simplify right side
   13,002.18x = 101,737,871.33
5. Step 5: Solve for x
   x = 101,737,871.33/13,002.18
6. Step 6: Final answer
   x = 7,824.68