Finding the Fourth Proportional to 10,356.05, 14,294.48 and 7,380.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,356.05 : 14,294.48 = 7,380.52 : x
2. Step 2: Convert to fraction form
   10,356.05/14,294.48 = 7,380.52/x
3. Step 3: Cross multiply
   10,356.05x = 14,294.48 × 7,380.52
4. Step 4: Simplify right side
   10,356.05x = 105,500,622.89
5. Step 5: Solve for x
   x = 105,500,622.89/10,356.05
6. Step 6: Final answer
   x = 10,187.34