Finding the Fourth Proportional to 23,290.73, 32,141.40 and 12,680.36

Step by Step Solution

1. Step 1: Write the proportion equation
   23,290.73 : 32,141.40 = 12,680.36 : x
2. Step 2: Convert to fraction form
   23,290.73/32,141.40 = 12,680.36/x
3. Step 3: Cross multiply
   23,290.73x = 32,141.40 × 12,680.36
4. Step 4: Simplify right side
   23,290.73x = 407,564,522.90
5. Step 5: Solve for x
   x = 407,564,522.90/23,290.73
6. Step 6: Final answer
   x = 17,499.00