Finding the Fourth Proportional to 2,628,166.40, 3,626,866.56 and 1,420,939.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628,166.40 : 3,626,866.56 = 1,420,939.52 : x
2. Step 2: Convert to fraction form
   2,628,166.40/3,626,866.56 = 1,420,939.52/x
3. Step 3: Cross multiply
   2,628,166.40x = 3,626,866.56 × 1,420,939.52
4. Step 4: Simplify right side
   2,628,166.40x = 5,153,558,028,870.45
5. Step 5: Solve for x
   x = 5,153,558,028,870.45/2,628,166.40
6. Step 6: Final answer
   x = 1,960,894.88