Finding the Fourth Proportional to 119,949.22, 165,490.59 and 72,185.14

Step by Step Solution

1. Step 1: Write the proportion equation
   119,949.22 : 165,490.59 = 72,185.14 : x
2. Step 2: Convert to fraction form
   119,949.22/165,490.59 = 72,185.14/x
3. Step 3: Cross multiply
   119,949.22x = 165,490.59 × 72,185.14
4. Step 4: Simplify right side
   119,949.22x = 11,945,961,407.83
5. Step 5: Solve for x
   x = 11,945,961,407.83/119,949.22
6. Step 6: Final answer
   x = 99,591.82