Finding the Fourth Proportional to 150,987, 208,375.02 and 83,931.96

Step by Step Solution

1. Step 1: Write the proportion equation
   150,987 : 208,375.02 = 83,931.96 : x
2. Step 2: Convert to fraction form
   150,987/208,375.02 = 83,931.96/x
3. Step 3: Cross multiply
   150,987x = 208,375.02 × 83,931.96
4. Step 4: Simplify right side
   150,987x = 17,489,323,843.64
5. Step 5: Solve for x
   x = 17,489,323,843.64/150,987
6. Step 6: Final answer
   x = 115,833.31