Finding the Fourth Proportional to 150,917.50, 208,266.96 and 83,849.50

Step by Step Solution

1. Step 1: Write the proportion equation
   150,917.50 : 208,266.96 = 83,849.50 : x
2. Step 2: Convert to fraction form
   150,917.50/208,266.96 = 83,849.50/x
3. Step 3: Cross multiply
   150,917.50x = 208,266.96 × 83,849.50
4. Step 4: Simplify right side
   150,917.50x = 17,463,080,462.52
5. Step 5: Solve for x
   x = 17,463,080,462.52/150,917.50
6. Step 6: Final answer
   x = 115,712.76