Finding the Fourth Proportional to 284,667.98, 392,850.17 and 155,613.59

Step by Step Solution

1. Step 1: Write the proportion equation
   284,667.98 : 392,850.17 = 155,613.59 : x
2. Step 2: Convert to fraction form
   284,667.98/392,850.17 = 155,613.59/x
3. Step 3: Cross multiply
   284,667.98x = 392,850.17 × 155,613.59
4. Step 4: Simplify right side
   284,667.98x = 61,132,822,543.49
5. Step 5: Solve for x
   x = 61,132,822,543.49/284,667.98
6. Step 6: Final answer
   x = 214,751.32