Finding the Fourth Proportional to 2,215,236.30, 3,057,028.82 and 1,196,641.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,215,236.30 : 3,057,028.82 = 1,196,641.05 : x
2. Step 2: Convert to fraction form
   2,215,236.30/3,057,028.82 = 1,196,641.05/x
3. Step 3: Cross multiply
   2,215,236.30x = 3,057,028.82 × 1,196,641.05
4. Step 4: Simplify right side
   2,215,236.30x = 3,658,166,171,061.86
5. Step 5: Solve for x
   x = 3,658,166,171,061.86/2,215,236.30
6. Step 6: Final answer
   x = 1,651,366.12