Finding the Fourth Proportional to 2,588,396.21, 3,571,823.28 and 1,426,778.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,588,396.21 : 3,571,823.28 = 1,426,778.45 : x
2. Step 2: Convert to fraction form
   2,588,396.21/3,571,823.28 = 1,426,778.45/x
3. Step 3: Cross multiply
   2,588,396.21x = 3,571,823.28 × 1,426,778.45
4. Step 4: Simplify right side
   2,588,396.21x = 5,096,200,483,997.96
5. Step 5: Solve for x
   x = 5,096,200,483,997.96/2,588,396.21
6. Step 6: Final answer
   x = 1,968,864.14