Finding the Fourth Proportional to 10,820.73, 14,932.31 and 6,105.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,820.73 : 14,932.31 = 6,105.45 : x
2. Step 2: Convert to fraction form
   10,820.73/14,932.31 = 6,105.45/x
3. Step 3: Cross multiply
   10,820.73x = 14,932.31 × 6,105.45
4. Step 4: Simplify right side
   10,820.73x = 91,168,441.56
5. Step 5: Solve for x
   x = 91,168,441.56/10,820.73
6. Step 6: Final answer
   x = 8,425.35