Finding the Fourth Proportional to 336,287, 464,085.78 and 185,393.72

Step by Step Solution

1. Step 1: Write the proportion equation
   336,287 : 464,085.78 = 185,393.72 : x
2. Step 2: Convert to fraction form
   336,287/464,085.78 = 185,393.72/x
3. Step 3: Cross multiply
   336,287x = 464,085.78 × 185,393.72
4. Step 4: Simplify right side
   336,287x = 86,038,589,153.30
5. Step 5: Solve for x
   x = 86,038,589,153.30/336,287
6. Step 6: Final answer
   x = 255,848.69