Finding the Fourth Proportional to 1,307,294.82, 1,961,055.18 and 360,665.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,307,294.82 : 1,961,055.18 = 360,665.54 : x
2. Step 2: Convert to fraction form
   1,307,294.82/1,961,055.18 = 360,665.54/x
3. Step 3: Cross multiply
   1,307,294.82x = 1,961,055.18 × 360,665.54
4. Step 4: Simplify right side
   1,307,294.82x = 707,285,025,464.50
5. Step 5: Solve for x
   x = 707,285,025,464.50/1,307,294.82
6. Step 6: Final answer
   x = 541,029.47