Finding the Fourth Proportional to 23,385.12, 32,270.28 and 12,772.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,385.12 : 32,270.28 = 12,772.72 : x
2. Step 2: Convert to fraction form
   23,385.12/32,270.28 = 12,772.72/x
3. Step 3: Cross multiply
   23,385.12x = 32,270.28 × 12,772.72
4. Step 4: Simplify right side
   23,385.12x = 412,179,250.76
5. Step 5: Solve for x
   x = 412,179,250.76/23,385.12
6. Step 6: Final answer
   x = 17,625.71