Finding the Fourth Proportional to 796,900.10, 1,099,689.89 and 434,316.15

Step by Step Solution

1. Step 1: Write the proportion equation
   796,900.10 : 1,099,689.89 = 434,316.15 : x
2. Step 2: Convert to fraction form
   796,900.10/1,099,689.89 = 434,316.15/x
3. Step 3: Cross multiply
   796,900.10x = 1,099,689.89 × 434,316.15
4. Step 4: Simplify right side
   796,900.10x = 477,613,077,047.14
5. Step 5: Solve for x
   x = 477,613,077,047.14/796,900.10
6. Step 6: Final answer
   x = 599,338.71