Finding the Fourth Proportional to 150,796.53, 208,091.09 and 86,267.05

Step by Step Solution

1. Step 1: Write the proportion equation
   150,796.53 : 208,091.09 = 86,267.05 : x
2. Step 2: Convert to fraction form
   150,796.53/208,091.09 = 86,267.05/x
3. Step 3: Cross multiply
   150,796.53x = 208,091.09 × 86,267.05
4. Step 4: Simplify right side
   150,796.53x = 17,951,404,161.02
5. Step 5: Solve for x
   x = 17,951,404,161.02/150,796.53
6. Step 6: Final answer
   x = 119,043.88