Finding the Fourth Proportional to 151,056.03, 208,458.66 and 82,145.73

Step by Step Solution

1. Step 1: Write the proportion equation
   151,056.03 : 208,458.66 = 82,145.73 : x
2. Step 2: Convert to fraction form
   151,056.03/208,458.66 = 82,145.73/x
3. Step 3: Cross multiply
   151,056.03x = 208,458.66 × 82,145.73
4. Step 4: Simplify right side
   151,056.03x = 17,123,988,800.52
5. Step 5: Solve for x
   x = 17,123,988,800.52/151,056.03
6. Step 6: Final answer
   x = 113,361.84