Finding the Fourth Proportional to 284,104.48, 392,066.48 and 155,043.98

Step by Step Solution

1. Step 1: Write the proportion equation
   284,104.48 : 392,066.48 = 155,043.98 : x
2. Step 2: Convert to fraction form
   284,104.48/392,066.48 = 155,043.98/x
3. Step 3: Cross multiply
   284,104.48x = 392,066.48 × 155,043.98
4. Step 4: Simplify right side
   284,104.48x = 60,787,546,034.91
5. Step 5: Solve for x
   x = 60,787,546,034.91/284,104.48
6. Step 6: Final answer
   x = 213,961.94