Finding the Fourth Proportional to 9,558.68, 14,342.31 and 5,171.00

Step by Step Solution

1. Step 1: Write the proportion equation
   9,558.68 : 14,342.31 = 5,171.00 : x
2. Step 2: Convert to fraction form
   9,558.68/14,342.31 = 5,171.00/x
3. Step 3: Cross multiply
   9,558.68x = 14,342.31 × 5,171.00
4. Step 4: Simplify right side
   9,558.68x = 74,164,013.30
5. Step 5: Solve for x
   x = 74,164,013.30/9,558.68
6. Step 6: Final answer
   x = 7,758.82