Finding the Fourth Proportional to 492,111.32, 679,113.59 and 265,756.82

Step by Step Solution

1. Step 1: Write the proportion equation
   492,111.32 : 679,113.59 = 265,756.82 : x
2. Step 2: Convert to fraction form
   492,111.32/679,113.59 = 265,756.82/x
3. Step 3: Cross multiply
   492,111.32x = 679,113.59 × 265,756.82
4. Step 4: Simplify right side
   492,111.32x = 180,479,063,372.83
5. Step 5: Solve for x
   x = 180,479,063,372.83/492,111.32
6. Step 6: Final answer
   x = 366,744.39