Finding the Fourth Proportional to 12,086.39, 16,683.35 and 7,309.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,086.39 : 16,683.35 = 7,309.01 : x
2. Step 2: Convert to fraction form
   12,086.39/16,683.35 = 7,309.01/x
3. Step 3: Cross multiply
   12,086.39x = 16,683.35 × 7,309.01
4. Step 4: Simplify right side
   12,086.39x = 121,938,652.02
5. Step 5: Solve for x
   x = 121,938,652.02/12,086.39
6. Step 6: Final answer
   x = 10,088.93