Finding the Fourth Proportional to 2,166,573, 2,989,834.22 and 1,199,682.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,573 : 2,989,834.22 = 1,199,682.54 : x
2. Step 2: Convert to fraction form
   2,166,573/2,989,834.22 = 1,199,682.54/x
3. Step 3: Cross multiply
   2,166,573x = 2,989,834.22 × 1,199,682.54
4. Step 4: Simplify right side
   2,166,573x = 3,586,851,911,228.52
5. Step 5: Solve for x
   x = 3,586,851,911,228.52/2,166,573
6. Step 6: Final answer
   x = 1,655,541.68