Finding the Fourth Proportional to 23,380.25, 32,263.31 and 12,769.25

Step by Step Solution

1. Step 1: Write the proportion equation
   23,380.25 : 32,263.31 = 12,769.25 : x
2. Step 2: Convert to fraction form
   23,380.25/32,263.31 = 12,769.25/x
3. Step 3: Cross multiply
   23,380.25x = 32,263.31 × 12,769.25
4. Step 4: Simplify right side
   23,380.25x = 411,978,141.82
5. Step 5: Solve for x
   x = 411,978,141.82/23,380.25
6. Step 6: Final answer
   x = 17,620.78