Finding the Fourth Proportional to 416,085.69, 574,214.52 and 243,979.71

Step by Step Solution

1. Step 1: Write the proportion equation
   416,085.69 : 574,214.52 = 243,979.71 : x
2. Step 2: Convert to fraction form
   416,085.69/574,214.52 = 243,979.71/x
3. Step 3: Cross multiply
   416,085.69x = 574,214.52 × 243,979.71
4. Step 4: Simplify right side
   416,085.69x = 140,096,692,067.39
5. Step 5: Solve for x
   x = 140,096,692,067.39/416,085.69
6. Step 6: Final answer
   x = 336,701.54