Finding the Fourth Proportional to 7,400.22, 10,212.76 and 4,256.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,400.22 : 10,212.76 = 4,256.34 : x
2. Step 2: Convert to fraction form
   7,400.22/10,212.76 = 4,256.34/x
3. Step 3: Cross multiply
   7,400.22x = 10,212.76 × 4,256.34
4. Step 4: Simplify right side
   7,400.22x = 43,468,978.90
5. Step 5: Solve for x
   x = 43,468,978.90/7,400.22
6. Step 6: Final answer
   x = 5,874.01