Finding the Fourth Proportional to 72,321.86, 108,485.31 and 22,397.42

Step by Step Solution

1. Step 1: Write the proportion equation
   72,321.86 : 108,485.31 = 22,397.42 : x
2. Step 2: Convert to fraction form
   72,321.86/108,485.31 = 22,397.42/x
3. Step 3: Cross multiply
   72,321.86x = 108,485.31 × 22,397.42
4. Step 4: Simplify right side
   72,321.86x = 2,429,791,051.90
5. Step 5: Solve for x
   x = 2,429,791,051.90/72,321.86
6. Step 6: Final answer
   x = 33,596.91