Finding the Fourth Proportional to 23,417.59, 32,315.62 and 12,807

Step by Step Solution

1. Step 1: Write the proportion equation
   23,417.59 : 32,315.62 = 12,807 : x
2. Step 2: Convert to fraction form
   23,417.59/32,315.62 = 12,807/x
3. Step 3: Cross multiply
   23,417.59x = 32,315.62 × 12,807
4. Step 4: Simplify right side
   23,417.59x = 413,866,145.34
5. Step 5: Solve for x
   x = 413,866,145.34/23,417.59
6. Step 6: Final answer
   x = 17,673.30