Finding the Fourth Proportional to 72,308.04, 108,456.59 and 22,388.55

Step by Step Solution

1. Step 1: Write the proportion equation
   72,308.04 : 108,456.59 = 22,388.55 : x
2. Step 2: Convert to fraction form
   72,308.04/108,456.59 = 22,388.55/x
3. Step 3: Cross multiply
   72,308.04x = 108,456.59 × 22,388.55
4. Step 4: Simplify right side
   72,308.04x = 2,428,185,676.10
5. Step 5: Solve for x
   x = 2,428,185,676.10/72,308.04
6. Step 6: Final answer
   x = 33,581.13