Finding the Fourth Proportional to 9,662.54, 13,331.18 and 5,412.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,662.54 : 13,331.18 = 5,412.98 : x
2. Step 2: Convert to fraction form
   9,662.54/13,331.18 = 5,412.98/x
3. Step 3: Cross multiply
   9,662.54x = 13,331.18 × 5,412.98
4. Step 4: Simplify right side
   9,662.54x = 72,161,410.72
5. Step 5: Solve for x
   x = 72,161,410.72/9,662.54
6. Step 6: Final answer
   x = 7,468.16