Finding the Fourth Proportional to 1,443,488.37, 1,991,791.98 and 831,521.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443,488.37 : 1,991,791.98 = 831,521.58 : x
2. Step 2: Convert to fraction form
   1,443,488.37/1,991,791.98 = 831,521.58/x
3. Step 3: Cross multiply
   1,443,488.37x = 1,991,791.98 × 831,521.58
4. Step 4: Simplify right side
   1,443,488.37x = 1,656,218,014,240.93
5. Step 5: Solve for x
   x = 1,656,218,014,240.93/1,443,488.37
6. Step 6: Final answer
   x = 1,147,371.91