Finding the Fourth Proportional to 9,926.72, 14,870.61 and 5,757.97

Step by Step Solution

1. Step 1: Write the proportion equation
   9,926.72 : 14,870.61 = 5,757.97 : x
2. Step 2: Convert to fraction form
   9,926.72/14,870.61 = 5,757.97/x
3. Step 3: Cross multiply
   9,926.72x = 14,870.61 × 5,757.97
4. Step 4: Simplify right side
   9,926.72x = 85,624,526.26
5. Step 5: Solve for x
   x = 85,624,526.26/9,926.72
6. Step 6: Final answer
   x = 8,625.66