Finding the Fourth Proportional to 72,812.48, 109,237.82 and 22,890.56

Step by Step Solution

1. Step 1: Write the proportion equation
   72,812.48 : 109,237.82 = 22,890.56 : x
2. Step 2: Convert to fraction form
   72,812.48/109,237.82 = 22,890.56/x
3. Step 3: Cross multiply
   72,812.48x = 109,237.82 × 22,890.56
4. Step 4: Simplify right side
   72,812.48x = 2,500,514,872.98
5. Step 5: Solve for x
   x = 2,500,514,872.98/72,812.48
6. Step 6: Final answer
   x = 34,341.84