Finding the Fourth Proportional to 72,791.30, 109,187.63 and 22,870.28

Step by Step Solution

1. Step 1: Write the proportion equation
   72,791.30 : 109,187.63 = 22,870.28 : x
2. Step 2: Convert to fraction form
   72,791.30/109,187.63 = 22,870.28/x
3. Step 3: Cross multiply
   72,791.30x = 109,187.63 × 22,870.28
4. Step 4: Simplify right side
   72,791.30x = 2,497,151,010.35
5. Step 5: Solve for x
   x = 2,497,151,010.35/72,791.30
6. Step 6: Final answer
   x = 34,305.63