Finding the Fourth Proportional to 416,072.27, 574,196.01 and 243,966.31

Step by Step Solution

1. Step 1: Write the proportion equation
   416,072.27 : 574,196.01 = 243,966.31 : x
2. Step 2: Convert to fraction form
   416,072.27/574,196.01 = 243,966.31/x
3. Step 3: Cross multiply
   416,072.27x = 574,196.01 × 243,966.31
4. Step 4: Simplify right side
   416,072.27x = 140,084,480,340.93
5. Step 5: Solve for x
   x = 140,084,480,340.93/416,072.27
6. Step 6: Final answer
   x = 336,683.05