Finding the Fourth Proportional to 3,802,308.78, 5,675,804.28 and 3,521,309.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,802,308.78 : 5,675,804.28 = 3,521,309.34 : x
2. Step 2: Convert to fraction form
   3,802,308.78/5,675,804.28 = 3,521,309.34/x
3. Step 3: Cross multiply
   3,802,308.78x = 5,675,804.28 × 3,521,309.34
4. Step 4: Simplify right side
   3,802,308.78x = 19,986,262,623,175.98
5. Step 5: Solve for x
   x = 19,986,262,623,175.98/3,802,308.78
6. Step 6: Final answer
   x = 5,256,349.18