Finding the Fourth Proportional to 12,035.25, 18,060.57 and 5,109.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,035.25 : 18,060.57 = 5,109.75 : x
2. Step 2: Convert to fraction form
   12,035.25/18,060.57 = 5,109.75/x
3. Step 3: Cross multiply
   12,035.25x = 18,060.57 × 5,109.75
4. Step 4: Simplify right side
   12,035.25x = 92,284,997.56
5. Step 5: Solve for x
   x = 92,284,997.56/12,035.25
6. Step 6: Final answer
   x = 7,667.89