Finding the Fourth Proportional to 2,502,978.39, 3,752,240.94 and 905,186.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,502,978.39 : 3,752,240.94 = 905,186.25 : x
2. Step 2: Convert to fraction form
   2,502,978.39/3,752,240.94 = 905,186.25/x
3. Step 3: Cross multiply
   2,502,978.39x = 3,752,240.94 × 905,186.25
4. Step 4: Simplify right side
   2,502,978.39x = 3,396,476,905,575.08
5. Step 5: Solve for x
   x = 3,396,476,905,575.08/2,502,978.39
6. Step 6: Final answer
   x = 1,356,974.12