Finding the Fourth Proportional to 336,414.72, 504,792.72 and 186,627.36

Step by Step Solution

1. Step 1: Write the proportion equation
   336,414.72 : 504,792.72 = 186,627.36 : x
2. Step 2: Convert to fraction form
   336,414.72/504,792.72 = 186,627.36/x
3. Step 3: Cross multiply
   336,414.72x = 504,792.72 × 186,627.36
4. Step 4: Simplify right side
   336,414.72x = 94,208,132,680.82
5. Step 5: Solve for x
   x = 94,208,132,680.82/336,414.72
6. Step 6: Final answer
   x = 280,035.70