Finding the Fourth Proportional to 4,089,143.45, 5,642,764.43 and 2,253,499.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,089,143.45 : 5,642,764.43 = 2,253,499.31 : x
2. Step 2: Convert to fraction form
   4,089,143.45/5,642,764.43 = 2,253,499.31/x
3. Step 3: Cross multiply
   4,089,143.45x = 5,642,764.43 × 2,253,499.31
4. Step 4: Simplify right side
   4,089,143.45x = 12,715,965,752,336.96
5. Step 5: Solve for x
   x = 12,715,965,752,336.96/4,089,143.45
6. Step 6: Final answer
   x = 3,109,689.33