Finding the Fourth Proportional to 9,894.29, 13,654.32 and 5,418.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,894.29 : 13,654.32 = 5,418.01 : x
2. Step 2: Convert to fraction form
   9,894.29/13,654.32 = 5,418.01/x
3. Step 3: Cross multiply
   9,894.29x = 13,654.32 × 5,418.01
4. Step 4: Simplify right side
   9,894.29x = 73,979,242.30
5. Step 5: Solve for x
   x = 73,979,242.30/9,894.29
6. Step 6: Final answer
   x = 7,476.96