Finding the Fourth Proportional to 980,574.47, 1,470,019.31 and 340,795.10

Step by Step Solution

1. Step 1: Write the proportion equation
   980,574.47 : 1,470,019.31 = 340,795.10 : x
2. Step 2: Convert to fraction form
   980,574.47/1,470,019.31 = 340,795.10/x
3. Step 3: Cross multiply
   980,574.47x = 1,470,019.31 × 340,795.10
4. Step 4: Simplify right side
   980,574.47x = 500,975,368,699.31
5. Step 5: Solve for x
   x = 500,975,368,699.31/980,574.47
6. Step 6: Final answer
   x = 510,899.87