Finding the Fourth Proportional to 1,499,831.16, 2,070,732.78 and 1,338,408.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,831.16 : 2,070,732.78 = 1,338,408.69 : x
2. Step 2: Convert to fraction form
   1,499,831.16/2,070,732.78 = 1,338,408.69/x
3. Step 3: Cross multiply
   1,499,831.16x = 2,070,732.78 × 1,338,408.69
4. Step 4: Simplify right side
   1,499,831.16x = 2,771,486,747,419.86
5. Step 5: Solve for x
   x = 2,771,486,747,419.86/1,499,831.16
6. Step 6: Final answer
   x = 1,847,865.83