Finding the Fourth Proportional to 406,142.52, 560,458.56 and 224,841.72

Step by Step Solution

1. Step 1: Write the proportion equation
   406,142.52 : 560,458.56 = 224,841.72 : x
2. Step 2: Convert to fraction form
   406,142.52/560,458.56 = 224,841.72/x
3. Step 3: Cross multiply
   406,142.52x = 560,458.56 × 224,841.72
4. Step 4: Simplify right side
   406,142.52x = 126,014,466,619.12
5. Step 5: Solve for x
   x = 126,014,466,619.12/406,142.52
6. Step 6: Final answer
   x = 310,271.54