Finding the Fourth Proportional to 72,321.31, 108,492.27 and 22,405.33

Step by Step Solution

1. Step 1: Write the proportion equation
   72,321.31 : 108,492.27 = 22,405.33 : x
2. Step 2: Convert to fraction form
   72,321.31/108,492.27 = 22,405.33/x
3. Step 3: Cross multiply
   72,321.31x = 108,492.27 × 22,405.33
4. Step 4: Simplify right side
   72,321.31x = 2,430,805,111.80
5. Step 5: Solve for x
   x = 2,430,805,111.80/72,321.31
6. Step 6: Final answer
   x = 33,611.19