Finding the Fourth Proportional to 2,167,648.56, 2,991,355.20 and 1,200,841.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167,648.56 : 2,991,355.20 = 1,200,841.56 : x
2. Step 2: Convert to fraction form
   2,167,648.56/2,991,355.20 = 1,200,841.56/x
3. Step 3: Cross multiply
   2,167,648.56x = 2,991,355.20 × 1,200,841.56
4. Step 4: Simplify right side
   2,167,648.56x = 3,592,143,644,882.11
5. Step 5: Solve for x
   x = 3,592,143,644,882.11/2,167,648.56
6. Step 6: Final answer
   x = 1,657,161.46