Finding the Fourth Proportional to 72,815.10, 109,237.22 and 22,907.76

Step by Step Solution

1. Step 1: Write the proportion equation
   72,815.10 : 109,237.22 = 22,907.76 : x
2. Step 2: Convert to fraction form
   72,815.10/109,237.22 = 22,907.76/x
3. Step 3: Cross multiply
   72,815.10x = 109,237.22 × 22,907.76
4. Step 4: Simplify right side
   72,815.10x = 2,502,380,018.83
5. Step 5: Solve for x
   x = 2,502,380,018.83/72,815.10
6. Step 6: Final answer
   x = 34,366.22