Finding the Fourth Proportional to 72,046.50, 108,072.84 and 22,128.59

Step by Step Solution

1. Step 1: Write the proportion equation
   72,046.50 : 108,072.84 = 22,128.59 : x
2. Step 2: Convert to fraction form
   72,046.50/108,072.84 = 22,128.59/x
3. Step 3: Cross multiply
   72,046.50x = 108,072.84 × 22,128.59
4. Step 4: Simplify right side
   72,046.50x = 2,391,499,026.13
5. Step 5: Solve for x
   x = 2,391,499,026.13/72,046.50
6. Step 6: Final answer
   x = 33,193.83