Finding the Fourth Proportional to 1,990,870.80, 2,747,322.57 and 1,175,337.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,990,870.80 : 2,747,322.57 = 1,175,337.18 : x
2. Step 2: Convert to fraction form
   1,990,870.80/2,747,322.57 = 1,175,337.18/x
3. Step 3: Cross multiply
   1,990,870.80x = 2,747,322.57 × 1,175,337.18
4. Step 4: Simplify right side
   1,990,870.80x = 3,229,030,361,974.15
5. Step 5: Solve for x
   x = 3,229,030,361,974.15/1,990,870.80
6. Step 6: Final answer
   x = 1,621,918.59