Finding the Fourth Proportional to 2,678,868.80, 4,008,679.68 and 1,967,131.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,678,868.80 : 4,008,679.68 = 1,967,131.52 : x
2. Step 2: Convert to fraction form
   2,678,868.80/4,008,679.68 = 1,967,131.52/x
3. Step 3: Cross multiply
   2,678,868.80x = 4,008,679.68 × 1,967,131.52
4. Step 4: Simplify right side
   2,678,868.80x = 7,885,600,152,111.51
5. Step 5: Solve for x
   x = 7,885,600,152,111.51/2,678,868.80
6. Step 6: Final answer
   x = 2,943,630.59