Finding the Fourth Proportional to 3,738,008.25, 5,158,453.46 and 2,019,128.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,738,008.25 : 5,158,453.46 = 2,019,128.78 : x
2. Step 2: Convert to fraction form
   3,738,008.25/5,158,453.46 = 2,019,128.78/x
3. Step 3: Cross multiply
   3,738,008.25x = 5,158,453.46 × 2,019,128.78
4. Step 4: Simplify right side
   3,738,008.25x = 10,415,581,855,534.67
5. Step 5: Solve for x
   x = 10,415,581,855,534.67/3,738,008.25
6. Step 6: Final answer
   x = 2,786,398.84