Finding the Fourth Proportional to 1,689,196.88, 2,331,323.56 and 1,035,707.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689,196.88 : 2,331,323.56 = 1,035,707.28 : x
2. Step 2: Convert to fraction form
   1,689,196.88/2,331,323.56 = 1,035,707.28/x
3. Step 3: Cross multiply
   1,689,196.88x = 2,331,323.56 × 1,035,707.28
4. Step 4: Simplify right side
   1,689,196.88x = 2,414,568,783,127.52
5. Step 5: Solve for x
   x = 2,414,568,783,127.52/1,689,196.88
6. Step 6: Final answer
   x = 1,429,418.21