Finding the Fourth Proportional to 42,007.69, 63,009.91 and 10,417.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,007.69 : 63,009.91 = 10,417.82 : x
2. Step 2: Convert to fraction form
   42,007.69/63,009.91 = 10,417.82/x
3. Step 3: Cross multiply
   42,007.69x = 63,009.91 × 10,417.82
4. Step 4: Simplify right side
   42,007.69x = 656,426,032.08
5. Step 5: Solve for x
   x = 656,426,032.08/42,007.69
6. Step 6: Final answer
   x = 15,626.33