Finding the Fourth Proportional to 10,171.50, 14,054.22 and 8,400.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,171.50 : 14,054.22 = 8,400.06 : x
2. Step 2: Convert to fraction form
   10,171.50/14,054.22 = 8,400.06/x
3. Step 3: Cross multiply
   10,171.50x = 14,054.22 × 8,400.06
4. Step 4: Simplify right side
   10,171.50x = 118,056,291.25
5. Step 5: Solve for x
   x = 118,056,291.25/10,171.50
6. Step 6: Final answer
   x = 11,606.58