Finding the Fourth Proportional to 13,276.86, 19,918.18 and 4,042.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,276.86 : 19,918.18 = 4,042.62 : x
2. Step 2: Convert to fraction form
   13,276.86/19,918.18 = 4,042.62/x
3. Step 3: Cross multiply
   13,276.86x = 19,918.18 × 4,042.62
4. Step 4: Simplify right side
   13,276.86x = 80,521,632.83
5. Step 5: Solve for x
   x = 80,521,632.83/13,276.86
6. Step 6: Final answer
   x = 6,064.81