Finding the Fourth Proportional to 151,429.50, 208,778.63 and 124,105.01

Step by Step Solution

1. Step 1: Write the proportion equation
   151,429.50 : 208,778.63 = 124,105.01 : x
2. Step 2: Convert to fraction form
   151,429.50/208,778.63 = 124,105.01/x
3. Step 3: Cross multiply
   151,429.50x = 208,778.63 × 124,105.01
4. Step 4: Simplify right side
   151,429.50x = 25,910,472,299.52
5. Step 5: Solve for x
   x = 25,910,472,299.52/151,429.50
6. Step 6: Final answer
   x = 171,105.84