Finding the Fourth Proportional to 9,900.72, 14,855.94 and 4,059

Step by Step Solution

1. Step 1: Write the proportion equation
   9,900.72 : 14,855.94 = 4,059 : x
2. Step 2: Convert to fraction form
   9,900.72/14,855.94 = 4,059/x
3. Step 3: Cross multiply
   9,900.72x = 14,855.94 × 4,059
4. Step 4: Simplify right side
   9,900.72x = 60,300,260.46
5. Step 5: Solve for x
   x = 60,300,260.46/9,900.72
6. Step 6: Final answer
   x = 6,090.49