Finding the Fourth Proportional to 14,131.42, 19,501.68 and 7,844.20

Step by Step Solution

1. Step 1: Write the proportion equation
   14,131.42 : 19,501.68 = 7,844.20 : x
2. Step 2: Convert to fraction form
   14,131.42/19,501.68 = 7,844.20/x
3. Step 3: Cross multiply
   14,131.42x = 19,501.68 × 7,844.20
4. Step 4: Simplify right side
   14,131.42x = 152,975,078.26
5. Step 5: Solve for x
   x = 152,975,078.26/14,131.42
6. Step 6: Final answer
   x = 10,825.17