Finding the Fourth Proportional to 9,333.01, 12,879.03 and 5,353.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,333.01 : 12,879.03 = 5,353.75 : x
2. Step 2: Convert to fraction form
   9,333.01/12,879.03 = 5,353.75/x
3. Step 3: Cross multiply
   9,333.01x = 12,879.03 × 5,353.75
4. Step 4: Simplify right side
   9,333.01x = 68,951,106.86
5. Step 5: Solve for x
   x = 68,951,106.86/9,333.01
6. Step 6: Final answer
   x = 7,387.87