Finding the Fourth Proportional to 2,167,377.35, 2,990,980.72 and 1,200,570.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167,377.35 : 2,990,980.72 = 1,200,570.26 : x
2. Step 2: Convert to fraction form
   2,167,377.35/2,990,980.72 = 1,200,570.26/x
3. Step 3: Cross multiply
   2,167,377.35x = 2,990,980.72 × 1,200,570.26
4. Step 4: Simplify right side
   2,167,377.35x = 3,590,882,487,211.20
5. Step 5: Solve for x
   x = 3,590,882,487,211.20/2,167,377.35
6. Step 6: Final answer
   x = 1,656,786.94