Finding the Fourth Proportional to 10,462.86, 15,680.79 and 5,522.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,462.86 : 15,680.79 = 5,522.22 : x
2. Step 2: Convert to fraction form
   10,462.86/15,680.79 = 5,522.22/x
3. Step 3: Cross multiply
   10,462.86x = 15,680.79 × 5,522.22
4. Step 4: Simplify right side
   10,462.86x = 86,592,772.15
5. Step 5: Solve for x
   x = 86,592,772.15/10,462.86
6. Step 6: Final answer
   x = 8,276.20