Finding the Fourth Proportional to 12,010.32, 18,015.89 and 3,245.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,010.32 : 18,015.89 = 3,245.31 : x
2. Step 2: Convert to fraction form
   12,010.32/18,015.89 = 3,245.31/x
3. Step 3: Cross multiply
   12,010.32x = 18,015.89 × 3,245.31
4. Step 4: Simplify right side
   12,010.32x = 58,467,131.75
5. Step 5: Solve for x
   x = 58,467,131.75/12,010.32
6. Step 6: Final answer
   x = 4,868.07