Finding the Fourth Proportional to 9,662.08, 13,333.05 and 5,412.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,662.08 : 13,333.05 = 5,412.40 : x
2. Step 2: Convert to fraction form
   9,662.08/13,333.05 = 5,412.40/x
3. Step 3: Cross multiply
   9,662.08x = 13,333.05 × 5,412.40
4. Step 4: Simplify right side
   9,662.08x = 72,163,799.82
5. Step 5: Solve for x
   x = 72,163,799.82/9,662.08
6. Step 6: Final answer
   x = 7,468.76