Finding the Fourth Proportional to 82,128.72, 123,193.20 and 22,964.34

Step by Step Solution

1. Step 1: Write the proportion equation
   82,128.72 : 123,193.20 = 22,964.34 : x
2. Step 2: Convert to fraction form
   82,128.72/123,193.20 = 22,964.34/x
3. Step 3: Cross multiply
   82,128.72x = 123,193.20 × 22,964.34
4. Step 4: Simplify right side
   82,128.72x = 2,829,050,530.49
5. Step 5: Solve for x
   x = 2,829,050,530.49/82,128.72
6. Step 6: Final answer
   x = 34,446.54