Finding the Fourth Proportional to 389,812.84, 584,757.56 and 162,061.43

Step by Step Solution

1. Step 1: Write the proportion equation
   389,812.84 : 584,757.56 = 162,061.43 : x
2. Step 2: Convert to fraction form
   389,812.84/584,757.56 = 162,061.43/x
3. Step 3: Cross multiply
   389,812.84x = 584,757.56 × 162,061.43
4. Step 4: Simplify right side
   389,812.84x = 94,766,643,858.28
5. Step 5: Solve for x
   x = 94,766,643,858.28/389,812.84
6. Step 6: Final answer
   x = 243,108.06