Finding the Fourth Proportional to 2,174,131.78, 3,000,578.70 and 1,314,698.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174,131.78 : 3,000,578.70 = 1,314,698.20 : x
2. Step 2: Convert to fraction form
   2,174,131.78/3,000,578.70 = 1,314,698.20/x
3. Step 3: Cross multiply
   2,174,131.78x = 3,000,578.70 × 1,314,698.20
4. Step 4: Simplify right side
   2,174,131.78x = 3,944,855,415,848.34
5. Step 5: Solve for x
   x = 3,944,855,415,848.34/2,174,131.78
6. Step 6: Final answer
   x = 1,814,450.92