Finding the Fourth Proportional to 382,028.39, 573,061.61 and 145,389.41

Step by Step Solution

1. Step 1: Write the proportion equation
   382,028.39 : 573,061.61 = 145,389.41 : x
2. Step 2: Convert to fraction form
   382,028.39/573,061.61 = 145,389.41/x
3. Step 3: Cross multiply
   382,028.39x = 573,061.61 × 145,389.41
4. Step 4: Simplify right side
   382,028.39x = 83,317,086,869.72
5. Step 5: Solve for x
   x = 83,317,086,869.72/382,028.39
6. Step 6: Final answer
   x = 218,091.35