Finding the Fourth Proportional to 9,435.69, 14,158.40 and 5,273.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,435.69 : 14,158.40 = 5,273.10 : x
2. Step 2: Convert to fraction form
   9,435.69/14,158.40 = 5,273.10/x
3. Step 3: Cross multiply
   9,435.69x = 14,158.40 × 5,273.10
4. Step 4: Simplify right side
   9,435.69x = 74,658,632.67
5. Step 5: Solve for x
   x = 74,658,632.67/9,435.69
6. Step 6: Final answer
   x = 7,912.37