Finding the Fourth Proportional to 2,166,571.76, 2,989,832.49 and 1,199,681.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,571.76 : 2,989,832.49 = 1,199,681.30 : x
2. Step 2: Convert to fraction form
   2,166,571.76/2,989,832.49 = 1,199,681.30/x
3. Step 3: Cross multiply
   2,166,571.76x = 2,989,832.49 × 1,199,681.30
4. Step 4: Simplify right side
   2,166,571.76x = 3,586,846,113,436.27
5. Step 5: Solve for x
   x = 3,586,846,113,436.27/2,166,571.76
6. Step 6: Final answer
   x = 1,655,539.96