Finding the Fourth Proportional to 435,784.62, 601,140.72 and 404,960.22

Step by Step Solution

1. Step 1: Write the proportion equation
   435,784.62 : 601,140.72 = 404,960.22 : x
2. Step 2: Convert to fraction form
   435,784.62/601,140.72 = 404,960.22/x
3. Step 3: Cross multiply
   435,784.62x = 601,140.72 × 404,960.22
4. Step 4: Simplify right side
   435,784.62x = 243,438,078,222.16
5. Step 5: Solve for x
   x = 243,438,078,222.16/435,784.62
6. Step 6: Final answer
   x = 558,620.17