Finding the Fourth Proportional to 1,786,978.45, 2,466,049.35 and 971,182.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,786,978.45 : 2,466,049.35 = 971,182.09 : x
2. Step 2: Convert to fraction form
   1,786,978.45/2,466,049.35 = 971,182.09/x
3. Step 3: Cross multiply
   1,786,978.45x = 2,466,049.35 × 971,182.09
4. Step 4: Simplify right side
   1,786,978.45x = 2,394,982,961,776.14
5. Step 5: Solve for x
   x = 2,394,982,961,776.14/1,786,978.45
6. Step 6: Final answer
   x = 1,340,241.66