Finding the Fourth Proportional to 1,686,758.50, 2,327,682.18 and 998,465.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,686,758.50 : 2,327,682.18 = 998,465.86 : x
2. Step 2: Convert to fraction form
   1,686,758.50/2,327,682.18 = 998,465.86/x
3. Step 3: Cross multiply
   1,686,758.50x = 2,327,682.18 × 998,465.86
4. Step 4: Simplify right side
   1,686,758.50x = 2,324,111,189,660.38
5. Step 5: Solve for x
   x = 2,324,111,189,660.38/1,686,758.50
6. Step 6: Final answer
   x = 1,377,856.52