Finding the Fourth Proportional to 2,167,416.05, 2,991,034.37 and 1,200,608.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167,416.05 : 2,991,034.37 = 1,200,608.96 : x
2. Step 2: Convert to fraction form
   2,167,416.05/2,991,034.37 = 1,200,608.96/x
3. Step 3: Cross multiply
   2,167,416.05x = 2,991,034.37 × 1,200,608.96
4. Step 4: Simplify right side
   2,167,416.05x = 3,591,062,652,336.31
5. Step 5: Solve for x
   x = 3,591,062,652,336.31/2,167,416.05
6. Step 6: Final answer
   x = 1,656,840.49