Finding the Fourth Proportional to 42,404.08, 63,605.52 and 10,383.36

Step by Step Solution

1. Step 1: Write the proportion equation
   42,404.08 : 63,605.52 = 10,383.36 : x
2. Step 2: Convert to fraction form
   42,404.08/63,605.52 = 10,383.36/x
3. Step 3: Cross multiply
   42,404.08x = 63,605.52 × 10,383.36
4. Step 4: Simplify right side
   42,404.08x = 660,439,012.15
5. Step 5: Solve for x
   x = 660,439,012.15/42,404.08
6. Step 6: Final answer
   x = 15,574.89