Finding the Fourth Proportional to 10,820.25, 16,233.03 and 5,272.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,820.25 : 16,233.03 = 5,272.34 : x
2. Step 2: Convert to fraction form
   10,820.25/16,233.03 = 5,272.34/x
3. Step 3: Cross multiply
   10,820.25x = 16,233.03 × 5,272.34
4. Step 4: Simplify right side
   10,820.25x = 85,585,972.23
5. Step 5: Solve for x
   x = 85,585,972.23/10,820.25
6. Step 6: Final answer
   x = 7,909.80