Finding the Fourth Proportional to 2,167,323.33, 2,990,906.14 and 1,200,515.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167,323.33 : 2,990,906.14 = 1,200,515.91 : x
2. Step 2: Convert to fraction form
   2,167,323.33/2,990,906.14 = 1,200,515.91/x
3. Step 3: Cross multiply
   2,167,323.33x = 2,990,906.14 × 1,200,515.91
4. Step 4: Simplify right side
   2,167,323.33x = 3,590,630,406,386.69
5. Step 5: Solve for x
   x = 3,590,630,406,386.69/2,167,323.33
6. Step 6: Final answer
   x = 1,656,711.93