Finding the Fourth Proportional to 957,111.26, 1,320,906.56 and 714,973.23

Step by Step Solution

1. Step 1: Write the proportion equation
   957,111.26 : 1,320,906.56 = 714,973.23 : x
2. Step 2: Convert to fraction form
   957,111.26/1,320,906.56 = 714,973.23/x
3. Step 3: Cross multiply
   957,111.26x = 1,320,906.56 × 714,973.23
4. Step 4: Simplify right side
   957,111.26x = 944,412,826,156.52
5. Step 5: Solve for x
   x = 944,412,826,156.52/957,111.26
6. Step 6: Final answer
   x = 986,732.55