Finding the Fourth Proportional to 9,609.30, 13,261.44 and 5,417.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,609.30 : 13,261.44 = 5,417.82 : x
2. Step 2: Convert to fraction form
   9,609.30/13,261.44 = 5,417.82/x
3. Step 3: Cross multiply
   9,609.30x = 13,261.44 × 5,417.82
4. Step 4: Simplify right side
   9,609.30x = 71,848,094.86
5. Step 5: Solve for x
   x = 71,848,094.86/9,609.30
6. Step 6: Final answer
   x = 7,476.93