Finding the Fourth Proportional to 9,993.28, 14,993.12 and 4,799.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,993.28 : 14,993.12 = 4,799.52 : x
2. Step 2: Convert to fraction form
   9,993.28/14,993.12 = 4,799.52/x
3. Step 3: Cross multiply
   9,993.28x = 14,993.12 × 4,799.52
4. Step 4: Simplify right side
   9,993.28x = 71,959,779.30
5. Step 5: Solve for x
   x = 71,959,779.30/9,993.28
6. Step 6: Final answer
   x = 7,200.82