Finding the Fourth Proportional to 451,366.56, 622,870.56 and 260,375.04

Step by Step Solution

1. Step 1: Write the proportion equation
   451,366.56 : 622,870.56 = 260,375.04 : x
2. Step 2: Convert to fraction form
   451,366.56/622,870.56 = 260,375.04/x
3. Step 3: Cross multiply
   451,366.56x = 622,870.56 × 260,375.04
4. Step 4: Simplify right side
   451,366.56x = 162,179,946,974.82
5. Step 5: Solve for x
   x = 162,179,946,974.82/451,366.56
6. Step 6: Final answer
   x = 359,308.73