Finding the Fourth Proportional to 72,315.81, 108,484.02 and 22,399.83

Step by Step Solution

1. Step 1: Write the proportion equation
   72,315.81 : 108,484.02 = 22,399.83 : x
2. Step 2: Convert to fraction form
   72,315.81/108,484.02 = 22,399.83/x
3. Step 3: Cross multiply
   72,315.81x = 108,484.02 × 22,399.83
4. Step 4: Simplify right side
   72,315.81x = 2,430,023,605.72
5. Step 5: Solve for x
   x = 2,430,023,605.72/72,315.81
6. Step 6: Final answer
   x = 33,602.94