Finding the Fourth Proportional to 9,972.05, 13,760.89 and 5,494.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,972.05 : 13,760.89 = 5,494.91 : x
2. Step 2: Convert to fraction form
   9,972.05/13,760.89 = 5,494.91/x
3. Step 3: Cross multiply
   9,972.05x = 13,760.89 × 5,494.91
4. Step 4: Simplify right side
   9,972.05x = 75,614,769.53
5. Step 5: Solve for x
   x = 75,614,769.53/9,972.05
6. Step 6: Final answer
   x = 7,582.67