Finding the Fourth Proportional to 477,590.78, 659,061.42 and 262,730.72

Step by Step Solution

1. Step 1: Write the proportion equation
   477,590.78 : 659,061.42 = 262,730.72 : x
2. Step 2: Convert to fraction form
   477,590.78/659,061.42 = 262,730.72/x
3. Step 3: Cross multiply
   477,590.78x = 659,061.42 × 262,730.72
4. Step 4: Simplify right side
   477,590.78x = 173,155,681,400.82
5. Step 5: Solve for x
   x = 173,155,681,400.82/477,590.78
6. Step 6: Final answer
   x = 362,560.77