Finding the Fourth Proportional to 72,497.77, 108,742.31 and 22,570.83

Step by Step Solution

1. Step 1: Write the proportion equation
   72,497.77 : 108,742.31 = 22,570.83 : x
2. Step 2: Convert to fraction form
   72,497.77/108,742.31 = 22,570.83/x
3. Step 3: Cross multiply
   72,497.77x = 108,742.31 × 22,570.83
4. Step 4: Simplify right side
   72,497.77x = 2,454,404,164.60
5. Step 5: Solve for x
   x = 2,454,404,164.60/72,497.77
6. Step 6: Final answer
   x = 33,854.89