Finding the Fourth Proportional to 6,340,401.42, 8,750,579.31 and 3,550,587.21

Step by Step Solution

1. Step 1: Write the proportion equation
   6,340,401.42 : 8,750,579.31 = 3,550,587.21 : x
2. Step 2: Convert to fraction form
   6,340,401.42/8,750,579.31 = 3,550,587.21/x
3. Step 3: Cross multiply
   6,340,401.42x = 8,750,579.31 × 3,550,587.21
4. Step 4: Simplify right side
   6,340,401.42x = 31,069,694,978,176.62
5. Step 5: Solve for x
   x = 31,069,694,978,176.62/6,340,401.42
6. Step 6: Final answer
   x = 4,900,272.54