Finding the Fourth Proportional to 12,086.75, 16,679.72 and 7,372.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,086.75 : 16,679.72 = 7,372.01 : x
2. Step 2: Convert to fraction form
   12,086.75/16,679.72 = 7,372.01/x
3. Step 3: Cross multiply
   12,086.75x = 16,679.72 × 7,372.01
4. Step 4: Simplify right side
   12,086.75x = 122,963,062.64
5. Step 5: Solve for x
   x = 122,963,062.64/12,086.75
6. Step 6: Final answer
   x = 10,173.38