Finding the Fourth Proportional to 9,243.80, 12,756.42 and 5,052.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,243.80 : 12,756.42 = 5,052.05 : x
2. Step 2: Convert to fraction form
   9,243.80/12,756.42 = 5,052.05/x
3. Step 3: Cross multiply
   9,243.80x = 12,756.42 × 5,052.05
4. Step 4: Simplify right side
   9,243.80x = 64,446,007.88
5. Step 5: Solve for x
   x = 64,446,007.88/9,243.80
6. Step 6: Final answer
   x = 6,971.81