Finding the Fourth Proportional to 10,138.84, 13,992.14 and 5,662.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,138.84 : 13,992.14 = 5,662.69 : x
2. Step 2: Convert to fraction form
   10,138.84/13,992.14 = 5,662.69/x
3. Step 3: Cross multiply
   10,138.84x = 13,992.14 × 5,662.69
4. Step 4: Simplify right side
   10,138.84x = 79,233,130.43
5. Step 5: Solve for x
   x = 79,233,130.43/10,138.84
6. Step 6: Final answer
   x = 7,814.81