Finding the Fourth Proportional to 9,561.98, 14,342.43 and 5,864.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,561.98 : 14,342.43 = 5,864.78 : x
2. Step 2: Convert to fraction form
   9,561.98/14,342.43 = 5,864.78/x
3. Step 3: Cross multiply
   9,561.98x = 14,342.43 × 5,864.78
4. Step 4: Simplify right side
   9,561.98x = 84,115,196.62
5. Step 5: Solve for x
   x = 84,115,196.62/9,561.98
6. Step 6: Final answer
   x = 8,796.84