Finding the Fourth Proportional to 23,422.78, 32,322.94 and 12,812.05

Step by Step Solution

1. Step 1: Write the proportion equation
   23,422.78 : 32,322.94 = 12,812.05 : x
2. Step 2: Convert to fraction form
   23,422.78/32,322.94 = 12,812.05/x
3. Step 3: Cross multiply
   23,422.78x = 32,322.94 × 12,812.05
4. Step 4: Simplify right side
   23,422.78x = 414,123,123.43
5. Step 5: Solve for x
   x = 414,123,123.43/23,422.78
6. Step 6: Final answer
   x = 17,680.36