Finding the Fourth Proportional to 3,286,300.30, 4,929,968.85 and 1,042,665.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,286,300.30 : 4,929,968.85 = 1,042,665.10 : x
2. Step 2: Convert to fraction form
   3,286,300.30/4,929,968.85 = 1,042,665.10/x
3. Step 3: Cross multiply
   3,286,300.30x = 4,929,968.85 × 1,042,665.10
4. Step 4: Simplify right side
   3,286,300.30x = 5,140,306,463,982.14
5. Step 5: Solve for x
   x = 5,140,306,463,982.14/3,286,300.30
6. Step 6: Final answer
   x = 1,564,162.13