Finding the Fourth Proportional to 2,825,079.38, 4,238,493.87 and 978,748.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,825,079.38 : 4,238,493.87 = 978,748.37 : x
2. Step 2: Convert to fraction form
   2,825,079.38/4,238,493.87 = 978,748.37/x
3. Step 3: Cross multiply
   2,825,079.38x = 4,238,493.87 × 978,748.37
4. Step 4: Simplify right side
   2,825,079.38x = 4,148,418,966,517.49
5. Step 5: Solve for x
   x = 4,148,418,966,517.49/2,825,079.38
6. Step 6: Final answer
   x = 1,468,425.63