Finding the Fourth Proportional to 2,166,196.76, 2,989,552.11 and 1,199,327.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,196.76 : 2,989,552.11 = 1,199,327.05 : x
2. Step 2: Convert to fraction form
   2,166,196.76/2,989,552.11 = 1,199,327.05/x
3. Step 3: Cross multiply
   2,166,196.76x = 2,989,552.11 × 1,199,327.05
4. Step 4: Simplify right side
   2,166,196.76x = 3,585,450,718,477.79
5. Step 5: Solve for x
   x = 3,585,450,718,477.79/2,166,196.76
6. Step 6: Final answer
   x = 1,655,182.38