Finding the Fourth Proportional to 9,387.83, 14,072.43 and 5,229.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,387.83 : 14,072.43 = 5,229.74 : x
2. Step 2: Convert to fraction form
   9,387.83/14,072.43 = 5,229.74/x
3. Step 3: Cross multiply
   9,387.83x = 14,072.43 × 5,229.74
4. Step 4: Simplify right side
   9,387.83x = 73,595,150.07
5. Step 5: Solve for x
   x = 73,595,150.07/9,387.83
6. Step 6: Final answer
   x = 7,839.42