Finding the Fourth Proportional to 2,167,563.86, 2,991,200.66 and 1,200,673.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167,563.86 : 2,991,200.66 = 1,200,673.88 : x
2. Step 2: Convert to fraction form
   2,167,563.86/2,991,200.66 = 1,200,673.88/x
3. Step 3: Cross multiply
   2,167,563.86x = 2,991,200.66 × 1,200,673.88
4. Step 4: Simplify right side
   2,167,563.86x = 3,591,456,502,300.76
5. Step 5: Solve for x
   x = 3,591,456,502,300.76/2,167,563.86
6. Step 6: Final answer
   x = 1,656,909.20