Finding the Fourth Proportional to 42,359.69, 63,538.83 and 10,339.08

Step by Step Solution

1. Step 1: Write the proportion equation
   42,359.69 : 63,538.83 = 10,339.08 : x
2. Step 2: Convert to fraction form
   42,359.69/63,538.83 = 10,339.08/x
3. Step 3: Cross multiply
   42,359.69x = 63,538.83 × 10,339.08
4. Step 4: Simplify right side
   42,359.69x = 656,932,808.21
5. Step 5: Solve for x
   x = 656,932,808.21/42,359.69
6. Step 6: Final answer
   x = 15,508.44