Finding the Fourth Proportional to 949,499.72, 1,423,790.22 and 350,742.80

Step by Step Solution

1. Step 1: Write the proportion equation
   949,499.72 : 1,423,790.22 = 350,742.80 : x
2. Step 2: Convert to fraction form
   949,499.72/1,423,790.22 = 350,742.80/x
3. Step 3: Cross multiply
   949,499.72x = 1,423,790.22 × 350,742.80
4. Step 4: Simplify right side
   949,499.72x = 499,384,168,375.42
5. Step 5: Solve for x
   x = 499,384,168,375.42/949,499.72
6. Step 6: Final answer
   x = 525,944.51