Finding the Fourth Proportional to 9,967.15, 13,754.76 and 5,490.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,967.15 : 13,754.76 = 5,490.92 : x
2. Step 2: Convert to fraction form
   9,967.15/13,754.76 = 5,490.92/x
3. Step 3: Cross multiply
   9,967.15x = 13,754.76 × 5,490.92
4. Step 4: Simplify right side
   9,967.15x = 75,526,286.78
5. Step 5: Solve for x
   x = 75,526,286.78/9,967.15
6. Step 6: Final answer
   x = 7,577.52