Finding the Fourth Proportional to 7,457.62, 10,291.78 and 4,100.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,457.62 : 10,291.78 = 4,100.69 : x
2. Step 2: Convert to fraction form
   7,457.62/10,291.78 = 4,100.69/x
3. Step 3: Cross multiply
   7,457.62x = 10,291.78 × 4,100.69
4. Step 4: Simplify right side
   7,457.62x = 42,203,327.37
5. Step 5: Solve for x
   x = 42,203,327.37/7,457.62
6. Step 6: Final answer
   x = 5,659.09