Finding the Fourth Proportional to 23,384.79, 32,270.48 and 12,774.47

Step by Step Solution

1. Step 1: Write the proportion equation
   23,384.79 : 32,270.48 = 12,774.47 : x
2. Step 2: Convert to fraction form
   23,384.79/32,270.48 = 12,774.47/x
3. Step 3: Cross multiply
   23,384.79x = 32,270.48 × 12,774.47
4. Step 4: Simplify right side
   23,384.79x = 412,238,117.29
5. Step 5: Solve for x
   x = 412,238,117.29/23,384.79
6. Step 6: Final answer
   x = 17,628.47