Finding the Fourth Proportional to 13,328.32, 19,982.18 and 5,008.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,328.32 : 19,982.18 = 5,008.16 : x
2. Step 2: Convert to fraction form
   13,328.32/19,982.18 = 5,008.16/x
3. Step 3: Cross multiply
   13,328.32x = 19,982.18 × 5,008.16
4. Step 4: Simplify right side
   13,328.32x = 100,073,954.59
5. Step 5: Solve for x
   x = 100,073,954.59/13,328.32
6. Step 6: Final answer
   x = 7,508.37