Finding the Fourth Proportional to 22,753.04, 34,134.20 and 12,896.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,753.04 : 34,134.20 = 12,896.72 : x
2. Step 2: Convert to fraction form
   22,753.04/34,134.20 = 12,896.72/x
3. Step 3: Cross multiply
   22,753.04x = 34,134.20 × 12,896.72
4. Step 4: Simplify right side
   22,753.04x = 440,219,219.82
5. Step 5: Solve for x
   x = 440,219,219.82/22,753.04
6. Step 6: Final answer
   x = 19,347.71