Finding the Fourth Proportional to 267,333.48, 398,641.17 and 264,933.72

Step by Step Solution

1. Step 1: Write the proportion equation
   267,333.48 : 398,641.17 = 264,933.72 : x
2. Step 2: Convert to fraction form
   267,333.48/398,641.17 = 264,933.72/x
3. Step 3: Cross multiply
   267,333.48x = 398,641.17 × 264,933.72
4. Step 4: Simplify right side
   267,333.48x = 105,613,488,113.25
5. Step 5: Solve for x
   x = 105,613,488,113.25/267,333.48
6. Step 6: Final answer
   x = 395,062.71