Finding the Fourth Proportional to 13,807.86, 19,054.17 and 7,838.73

Step by Step Solution

1. Step 1: Write the proportion equation
   13,807.86 : 19,054.17 = 7,838.73 : x
2. Step 2: Convert to fraction form
   13,807.86/19,054.17 = 7,838.73/x
3. Step 3: Cross multiply
   13,807.86x = 19,054.17 × 7,838.73
4. Step 4: Simplify right side
   13,807.86x = 149,360,494.00
5. Step 5: Solve for x
   x = 149,360,494.00/13,807.86
6. Step 6: Final answer
   x = 10,817.06