Finding the Fourth Proportional to 464,105.82, 640,460.88 and 260,189.94

Step by Step Solution

1. Step 1: Write the proportion equation
   464,105.82 : 640,460.88 = 260,189.94 : x
2. Step 2: Convert to fraction form
   464,105.82/640,460.88 = 260,189.94/x
3. Step 3: Cross multiply
   464,105.82x = 640,460.88 × 260,189.94
4. Step 4: Simplify right side
   464,105.82x = 166,641,477,939.55
5. Step 5: Solve for x
   x = 166,641,477,939.55/464,105.82
6. Step 6: Final answer
   x = 359,059.23