Finding the Fourth Proportional to 7,900,228.69, 10,902,315.59 and 4,278,556.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,900,228.69 : 10,902,315.59 = 4,278,556.69 : x
2. Step 2: Convert to fraction form
   7,900,228.69/10,902,315.59 = 4,278,556.69/x
3. Step 3: Cross multiply
   7,900,228.69x = 10,902,315.59 × 4,278,556.69
4. Step 4: Simplify right side
   7,900,228.69x = 46,646,175,271,481.81
5. Step 5: Solve for x
   x = 46,646,175,271,481.81/7,900,228.69
6. Step 6: Final answer
   x = 5,904,408.23