Finding the Fourth Proportional to 1,583,396, 2,185,224.72 and 868,142.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,583,396 : 2,185,224.72 = 868,142.24 : x
2. Step 2: Convert to fraction form
   1,583,396/2,185,224.72 = 868,142.24/x
3. Step 3: Cross multiply
   1,583,396x = 2,185,224.72 × 868,142.24
4. Step 4: Simplify right side
   1,583,396x = 1,897,085,883,324.17
5. Step 5: Solve for x
   x = 1,897,085,883,324.17/1,583,396
6. Step 6: Final answer
   x = 1,198,112.09