Finding the Fourth Proportional to 1,443,235.50, 2,164,808.52 and 685,622.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443,235.50 : 2,164,808.52 = 685,622.16 : x
2. Step 2: Convert to fraction form
   1,443,235.50/2,164,808.52 = 685,622.16/x
3. Step 3: Cross multiply
   1,443,235.50x = 2,164,808.52 × 685,622.16
4. Step 4: Simplify right side
   1,443,235.50x = 1,484,240,693,468.80
5. Step 5: Solve for x
   x = 1,484,240,693,468.80/1,443,235.50
6. Step 6: Final answer
   x = 1,028,411.99