Finding the Fourth Proportional to 1,721,091.93, 2,375,109.27 and 957,145.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,721,091.93 : 2,375,109.27 = 957,145.47 : x
2. Step 2: Convert to fraction form
   1,721,091.93/2,375,109.27 = 957,145.47/x
3. Step 3: Cross multiply
   1,721,091.93x = 2,375,109.27 × 957,145.47
4. Step 4: Simplify right side
   1,721,091.93x = 2,273,325,078,535.51
5. Step 5: Solve for x
   x = 2,273,325,078,535.51/1,721,091.93
6. Step 6: Final answer
   x = 1,320,862.09