Finding the Fourth Proportional to 14,131.31, 19,502.12 and 7,843.69

Step by Step Solution

1. Step 1: Write the proportion equation
   14,131.31 : 19,502.12 = 7,843.69 : x
2. Step 2: Convert to fraction form
   14,131.31/19,502.12 = 7,843.69/x
3. Step 3: Cross multiply
   14,131.31x = 19,502.12 × 7,843.69
4. Step 4: Simplify right side
   14,131.31x = 152,968,583.62
5. Step 5: Solve for x
   x = 152,968,583.62/14,131.31
6. Step 6: Final answer
   x = 10,824.80