Finding the Fourth Proportional to 451,342.72, 622,829.82 and 260,344.72

Step by Step Solution

1. Step 1: Write the proportion equation
   451,342.72 : 622,829.82 = 260,344.72 : x
2. Step 2: Convert to fraction form
   451,342.72/622,829.82 = 260,344.72/x
3. Step 3: Cross multiply
   451,342.72x = 622,829.82 × 260,344.72
4. Step 4: Simplify right side
   451,342.72x = 162,150,455,095.55
5. Step 5: Solve for x
   x = 162,150,455,095.55/451,342.72
6. Step 6: Final answer
   x = 359,262.37