Finding the Fourth Proportional to 13,838.42, 20,758.72 and 5,073.14

Step by Step Solution

1. Step 1: Write the proportion equation
   13,838.42 : 20,758.72 = 5,073.14 : x
2. Step 2: Convert to fraction form
   13,838.42/20,758.72 = 5,073.14/x
3. Step 3: Cross multiply
   13,838.42x = 20,758.72 × 5,073.14
4. Step 4: Simplify right side
   13,838.42x = 105,311,892.78
5. Step 5: Solve for x
   x = 105,311,892.78/13,838.42
6. Step 6: Final answer
   x = 7,610.11