Finding the Fourth Proportional to 12,463.32, 17,198.16 and 7,157.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,463.32 : 17,198.16 = 7,157.16 : x
2. Step 2: Convert to fraction form
   12,463.32/17,198.16 = 7,157.16/x
3. Step 3: Cross multiply
   12,463.32x = 17,198.16 × 7,157.16
4. Step 4: Simplify right side
   12,463.32x = 123,089,982.83
5. Step 5: Solve for x
   x = 123,089,982.83/12,463.32
6. Step 6: Final answer
   x = 9,876.18