Finding the Fourth Proportional to 11,820.32, 16,319.04 and 10,508.24

Step by Step Solution

1. Step 1: Write the proportion equation
   11,820.32 : 16,319.04 = 10,508.24 : x
2. Step 2: Convert to fraction form
   11,820.32/16,319.04 = 10,508.24/x
3. Step 3: Cross multiply
   11,820.32x = 16,319.04 × 10,508.24
4. Step 4: Simplify right side
   11,820.32x = 171,484,388.89
5. Step 5: Solve for x
   x = 171,484,388.89/11,820.32
6. Step 6: Final answer
   x = 14,507.59