Finding the Fourth Proportional to 72,321.81, 108,493.02 and 22,405.83

Step by Step Solution

1. Step 1: Write the proportion equation
   72,321.81 : 108,493.02 = 22,405.83 : x
2. Step 2: Convert to fraction form
   72,321.81/108,493.02 = 22,405.83/x
3. Step 3: Cross multiply
   72,321.81x = 108,493.02 × 22,405.83
4. Step 4: Simplify right side
   72,321.81x = 2,430,876,162.31
5. Step 5: Solve for x
   x = 2,430,876,162.31/72,321.81
6. Step 6: Final answer
   x = 33,611.94