Finding the Fourth Proportional to 8,967.02, 12,372.45 and 5,429.48

Step by Step Solution

1. Step 1: Write the proportion equation
   8,967.02 : 12,372.45 = 5,429.48 : x
2. Step 2: Convert to fraction form
   8,967.02/12,372.45 = 5,429.48/x
3. Step 3: Cross multiply
   8,967.02x = 12,372.45 × 5,429.48
4. Step 4: Simplify right side
   8,967.02x = 67,175,969.83
5. Step 5: Solve for x
   x = 67,175,969.83/8,967.02
6. Step 6: Final answer
   x = 7,491.45