Finding the Fourth Proportional to 9,993.78, 14,993.91 and 4,800.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,993.78 : 14,993.91 = 4,800.06 : x
2. Step 2: Convert to fraction form
   9,993.78/14,993.91 = 4,800.06/x
3. Step 3: Cross multiply
   9,993.78x = 14,993.91 × 4,800.06
4. Step 4: Simplify right side
   9,993.78x = 71,971,667.63
5. Step 5: Solve for x
   x = 71,971,667.63/9,993.78
6. Step 6: Final answer
   x = 7,201.65