Finding the Fourth Proportional to 52,924.32, 79,383.69 and 13,479.03

Step by Step Solution

1. Step 1: Write the proportion equation
   52,924.32 : 79,383.69 = 13,479.03 : x
2. Step 2: Convert to fraction form
   52,924.32/79,383.69 = 13,479.03/x
3. Step 3: Cross multiply
   52,924.32x = 79,383.69 × 13,479.03
4. Step 4: Simplify right side
   52,924.32x = 1,070,015,139.02
5. Step 5: Solve for x
   x = 1,070,015,139.02/52,924.32
6. Step 6: Final answer
   x = 20,217.83