Finding the Fourth Proportional to 144,894.78, 217,323.69 and 56,087.52

Step by Step Solution

1. Step 1: Write the proportion equation
   144,894.78 : 217,323.69 = 56,087.52 : x
2. Step 2: Convert to fraction form
   144,894.78/217,323.69 = 56,087.52/x
3. Step 3: Cross multiply
   144,894.78x = 217,323.69 × 56,087.52
4. Step 4: Simplify right side
   144,894.78x = 12,189,146,809.35
5. Step 5: Solve for x
   x = 12,189,146,809.35/144,894.78
6. Step 6: Final answer
   x = 84,124.13