Finding the Fourth Proportional to 338,436.72, 466,983.42 and 193,176.16

Step by Step Solution

1. Step 1: Write the proportion equation
   338,436.72 : 466,983.42 = 193,176.16 : x
2. Step 2: Convert to fraction form
   338,436.72/466,983.42 = 193,176.16/x
3. Step 3: Cross multiply
   338,436.72x = 466,983.42 × 193,176.16
4. Step 4: Simplify right side
   338,436.72x = 90,210,063,859.27
5. Step 5: Solve for x
   x = 90,210,063,859.27/338,436.72
6. Step 6: Final answer
   x = 266,549.28