Finding the Fourth Proportional to 2,166,571.56, 2,989,786.50 and 1,199,625

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,571.56 : 2,989,786.50 = 1,199,625 : x
2. Step 2: Convert to fraction form
   2,166,571.56/2,989,786.50 = 1,199,625/x
3. Step 3: Cross multiply
   2,166,571.56x = 2,989,786.50 × 1,199,625
4. Step 4: Simplify right side
   2,166,571.56x = 3,586,622,630,062.50
5. Step 5: Solve for x
   x = 3,586,622,630,062.50/2,166,571.56
6. Step 6: Final answer
   x = 1,655,436.96