Finding the Fourth Proportional to 13,847.81, 19,109.32 and 7,798.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,847.81 : 19,109.32 = 7,798.09 : x
2. Step 2: Convert to fraction form
   13,847.81/19,109.32 = 7,798.09/x
3. Step 3: Cross multiply
   13,847.81x = 19,109.32 × 7,798.09
4. Step 4: Simplify right side
   13,847.81x = 149,016,165.76
5. Step 5: Solve for x
   x = 149,016,165.76/13,847.81
6. Step 6: Final answer
   x = 10,760.99