Finding the Fourth Proportional to 9,419.02, 12,997.80 and 5,169.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,419.02 : 12,997.80 = 5,169.98 : x
2. Step 2: Convert to fraction form
   9,419.02/12,997.80 = 5,169.98/x
3. Step 3: Cross multiply
   9,419.02x = 12,997.80 × 5,169.98
4. Step 4: Simplify right side
   9,419.02x = 67,198,398.54
5. Step 5: Solve for x
   x = 67,198,398.54/9,419.02
6. Step 6: Final answer
   x = 7,134.33