Finding the Fourth Proportional to 9,967.42, 13,754.50 and 5,490.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,967.42 : 13,754.50 = 5,490.29 : x
2. Step 2: Convert to fraction form
   9,967.42/13,754.50 = 5,490.29/x
3. Step 3: Cross multiply
   9,967.42x = 13,754.50 × 5,490.29
4. Step 4: Simplify right side
   9,967.42x = 75,516,193.81
5. Step 5: Solve for x
   x = 75,516,193.81/9,967.42
6. Step 6: Final answer
   x = 7,576.30