Finding the Fourth Proportional to 10,862,028.30, 16,302,227.85 and 4,476,863.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,862,028.30 : 16,302,227.85 = 4,476,863.10 : x
2. Step 2: Convert to fraction form
   10,862,028.30/16,302,227.85 = 4,476,863.10/x
3. Step 3: Cross multiply
   10,862,028.30x = 16,302,227.85 × 4,476,863.10
4. Step 4: Simplify right side
   10,862,028.30x = 72,982,842,309,457.33
5. Step 5: Solve for x
   x = 72,982,842,309,457.33/10,862,028.30
6. Step 6: Final answer
   x = 6,719,080.48