Finding the Fourth Proportional to 1,443,571.74, 1,992,199.86 and 831,820.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443,571.74 : 1,992,199.86 = 831,820.32 : x
2. Step 2: Convert to fraction form
   1,443,571.74/1,992,199.86 = 831,820.32/x
3. Step 3: Cross multiply
   1,443,571.74x = 1,992,199.86 × 831,820.32
4. Step 4: Simplify right side
   1,443,571.74x = 1,657,152,325,049.16
5. Step 5: Solve for x
   x = 1,657,152,325,049.16/1,443,571.74
6. Step 6: Final answer
   x = 1,147,952.87