Finding the Fourth Proportional to 9,940.21, 14,900.58 and 4,749.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,940.21 : 14,900.58 = 4,749.73 : x
2. Step 2: Convert to fraction form
   9,940.21/14,900.58 = 4,749.73/x
3. Step 3: Cross multiply
   9,940.21x = 14,900.58 × 4,749.73
4. Step 4: Simplify right side
   9,940.21x = 70,773,731.84
5. Step 5: Solve for x
   x = 70,773,731.84/9,940.21
6. Step 6: Final answer
   x = 7,119.94