Finding the Fourth Proportional to 284,167.49, 392,145.14 and 155,101.69

Step by Step Solution

1. Step 1: Write the proportion equation
   284,167.49 : 392,145.14 = 155,101.69 : x
2. Step 2: Convert to fraction form
   284,167.49/392,145.14 = 155,101.69/x
3. Step 3: Cross multiply
   284,167.49x = 392,145.14 × 155,101.69
4. Step 4: Simplify right side
   284,167.49x = 60,822,371,978.56
5. Step 5: Solve for x
   x = 60,822,371,978.56/284,167.49
6. Step 6: Final answer
   x = 214,037.05