Finding the Fourth Proportional to 14,086.31, 19,439.75 and 7,798.69

Step by Step Solution

1. Step 1: Write the proportion equation
   14,086.31 : 19,439.75 = 7,798.69 : x
2. Step 2: Convert to fraction form
   14,086.31/19,439.75 = 7,798.69/x
3. Step 3: Cross multiply
   14,086.31x = 19,439.75 × 7,798.69
4. Step 4: Simplify right side
   14,086.31x = 151,604,554.82
5. Step 5: Solve for x
   x = 151,604,554.82/14,086.31
6. Step 6: Final answer
   x = 10,762.54