Finding the Fourth Proportional to 42,499.08, 63,789.12 and 20,324.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,499.08 : 63,789.12 = 20,324.52 : x
2. Step 2: Convert to fraction form
   42,499.08/63,789.12 = 20,324.52/x
3. Step 3: Cross multiply
   42,499.08x = 63,789.12 × 20,324.52
4. Step 4: Simplify right side
   42,499.08x = 1,296,483,245.22
5. Step 5: Solve for x
   x = 1,296,483,245.22/42,499.08
6. Step 6: Final answer
   x = 30,506.15