Finding the Fourth Proportional to 479,411.55, 661,589.88 and 264,557.82

Step by Step Solution

1. Step 1: Write the proportion equation
   479,411.55 : 661,589.88 = 264,557.82 : x
2. Step 2: Convert to fraction form
   479,411.55/661,589.88 = 264,557.82/x
3. Step 3: Cross multiply
   479,411.55x = 661,589.88 × 264,557.82
4. Step 4: Simplify right side
   479,411.55x = 175,028,776,386.86
5. Step 5: Solve for x
   x = 175,028,776,386.86/479,411.55
6. Step 6: Final answer
   x = 365,090.86