Finding the Fourth Proportional to 12,250.71, 16,909.83 and 7,214.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,250.71 : 16,909.83 = 7,214.58 : x
2. Step 2: Convert to fraction form
   12,250.71/16,909.83 = 7,214.58/x
3. Step 3: Cross multiply
   12,250.71x = 16,909.83 × 7,214.58
4. Step 4: Simplify right side
   12,250.71x = 121,997,321.32
5. Step 5: Solve for x
   x = 121,997,321.32/12,250.71
6. Step 6: Final answer
   x = 9,958.39