Finding the Fourth Proportional to 8,945.62, 13,423.89 and 5,654.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,945.62 : 13,423.89 = 5,654.18 : x
2. Step 2: Convert to fraction form
   8,945.62/13,423.89 = 5,654.18/x
3. Step 3: Cross multiply
   8,945.62x = 13,423.89 × 5,654.18
4. Step 4: Simplify right side
   8,945.62x = 75,901,090.36
5. Step 5: Solve for x
   x = 75,901,090.36/8,945.62
6. Step 6: Final answer
   x = 8,484.72