Finding the Fourth Proportional to 72,071.89, 108,118.16 and 22,156.17

Step by Step Solution

1. Step 1: Write the proportion equation
   72,071.89 : 108,118.16 = 22,156.17 : x
2. Step 2: Convert to fraction form
   72,071.89/108,118.16 = 22,156.17/x
3. Step 3: Cross multiply
   72,071.89x = 108,118.16 × 22,156.17
4. Step 4: Simplify right side
   72,071.89x = 2,395,483,792.46
5. Step 5: Solve for x
   x = 2,395,483,792.46/72,071.89
6. Step 6: Final answer
   x = 33,237.42