Finding the Fourth Proportional to 1,093,315.39, 1,639,768.05 and 881,321.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,093,315.39 : 1,639,768.05 = 881,321.31 : x
2. Step 2: Convert to fraction form
   1,093,315.39/1,639,768.05 = 881,321.31/x
3. Step 3: Cross multiply
   1,093,315.39x = 1,639,768.05 × 881,321.31
4. Step 4: Simplify right side
   1,093,315.39x = 1,445,162,525,922.15
5. Step 5: Solve for x
   x = 1,445,162,525,922.15/1,093,315.39
6. Step 6: Final answer
   x = 1,321,816.69