Finding the Fourth Proportional to 2,978,040.42, 4,467,558.78 and 2,338,318.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978,040.42 : 4,467,558.78 = 2,338,318.26 : x
2. Step 2: Convert to fraction form
   2,978,040.42/4,467,558.78 = 2,338,318.26/x
3. Step 3: Cross multiply
   2,978,040.42x = 4,467,558.78 × 2,338,318.26
4. Step 4: Simplify right side
   2,978,040.42x = 10,446,574,272,897.32
5. Step 5: Solve for x
   x = 10,446,574,272,897.32/2,978,040.42
6. Step 6: Final answer
   x = 3,507,868.53