Finding the Fourth Proportional to 2,142,150.06, 3,213,111.92 and 702,643.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,142,150.06 : 3,213,111.92 = 702,643.85 : x
2. Step 2: Convert to fraction form
   2,142,150.06/3,213,111.92 = 702,643.85/x
3. Step 3: Cross multiply
   2,142,150.06x = 3,213,111.92 × 702,643.85
4. Step 4: Simplify right side
   2,142,150.06x = 2,257,673,329,949.69
5. Step 5: Solve for x
   x = 2,257,673,329,949.69/2,142,150.06
6. Step 6: Final answer
   x = 1,053,928.65