Finding the Fourth Proportional to 9,555.30, 14,327.68 and 5,118.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,555.30 : 14,327.68 = 5,118.17 : x
2. Step 2: Convert to fraction form
   9,555.30/14,327.68 = 5,118.17/x
3. Step 3: Cross multiply
   9,555.30x = 14,327.68 × 5,118.17
4. Step 4: Simplify right side
   9,555.30x = 73,331,430.31
5. Step 5: Solve for x
   x = 73,331,430.31/9,555.30
6. Step 6: Final answer
   x = 7,674.42