Finding the Fourth Proportional to 10,086.99, 15,127.41 and 4,819.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,086.99 : 15,127.41 = 4,819.22 : x
2. Step 2: Convert to fraction form
   10,086.99/15,127.41 = 4,819.22/x
3. Step 3: Cross multiply
   10,086.99x = 15,127.41 × 4,819.22
4. Step 4: Simplify right side
   10,086.99x = 72,902,241.18
5. Step 5: Solve for x
   x = 72,902,241.18/10,086.99
6. Step 6: Final answer
   x = 7,227.35