Finding the Fourth Proportional to 1,443,371.86, 2,163,628.95 and 683,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443,371.86 : 2,163,628.95 = 683,870.50 : x
2. Step 2: Convert to fraction form
   1,443,371.86/2,163,628.95 = 683,870.50/x
3. Step 3: Cross multiply
   1,443,371.86x = 2,163,628.95 × 683,870.50
4. Step 4: Simplify right side
   1,443,371.86x = 1,479,642,011,850.98
5. Step 5: Solve for x
   x = 1,479,642,011,850.98/1,443,371.86
6. Step 6: Final answer
   x = 1,025,128.76