Finding the Fourth Proportional to 1,141,196.12, 1,574,831.40 and 631,887.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141,196.12 : 1,574,831.40 = 631,887.56 : x
2. Step 2: Convert to fraction form
   1,141,196.12/1,574,831.40 = 631,887.56/x
3. Step 3: Cross multiply
   1,141,196.12x = 1,574,831.40 × 631,887.56
4. Step 4: Simplify right side
   1,141,196.12x = 995,116,370,757.38
5. Step 5: Solve for x
   x = 995,116,370,757.38/1,141,196.12
6. Step 6: Final answer
   x = 871,994.18