Finding the Fourth Proportional to 151,479.82, 208,847.79 and 124,155.31

Step by Step Solution

1. Step 1: Write the proportion equation
   151,479.82 : 208,847.79 = 124,155.31 : x
2. Step 2: Convert to fraction form
   151,479.82/208,847.79 = 124,155.31/x
3. Step 3: Cross multiply
   151,479.82x = 208,847.79 × 124,155.31
4. Step 4: Simplify right side
   151,479.82x = 25,929,561,741.54
5. Step 5: Solve for x
   x = 25,929,561,741.54/151,479.82
6. Step 6: Final answer
   x = 171,175.02