Finding the Fourth Proportional to 284,051.83, 425,300.55 and 276,522.88

Step by Step Solution

1. Step 1: Write the proportion equation
   284,051.83 : 425,300.55 = 276,522.88 : x
2. Step 2: Convert to fraction form
   284,051.83/425,300.55 = 276,522.88/x
3. Step 3: Cross multiply
   284,051.83x = 425,300.55 × 276,522.88
4. Step 4: Simplify right side
   284,051.83x = 117,605,332,951.58
5. Step 5: Solve for x
   x = 117,605,332,951.58/284,051.83
6. Step 6: Final answer
   x = 414,027.72