Finding the Fourth Proportional to 9,909.12, 14,838.72 and 5,958.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,909.12 : 14,838.72 = 5,958.24 : x
2. Step 2: Convert to fraction form
   9,909.12/14,838.72 = 5,958.24/x
3. Step 3: Cross multiply
   9,909.12x = 14,838.72 × 5,958.24
4. Step 4: Simplify right side
   9,909.12x = 88,412,655.05
5. Step 5: Solve for x
   x = 88,412,655.05/9,909.12
6. Step 6: Final answer
   x = 8,922.35