Finding the Fourth Proportional to 23,418.09, 32,316.32 and 12,807.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,418.09 : 32,316.32 = 12,807.50 : x
2. Step 2: Convert to fraction form
   23,418.09/32,316.32 = 12,807.50/x
3. Step 3: Cross multiply
   23,418.09x = 32,316.32 × 12,807.50
4. Step 4: Simplify right side
   23,418.09x = 413,891,042.78
5. Step 5: Solve for x
   x = 413,891,042.78/23,418.09
6. Step 6: Final answer
   x = 17,673.99