Finding the Fourth Proportional to 23,578.64, 35,326.32 and 12,460.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,578.64 : 35,326.32 = 12,460.72 : x
2. Step 2: Convert to fraction form
   23,578.64/35,326.32 = 12,460.72/x
3. Step 3: Cross multiply
   23,578.64x = 35,326.32 × 12,460.72
4. Step 4: Simplify right side
   23,578.64x = 440,191,382.15
5. Step 5: Solve for x
   x = 440,191,382.15/23,578.64
6. Step 6: Final answer
   x = 18,669.07