Finding the Fourth Proportional to 7,457.32, 10,291.76 and 4,100.79

Step by Step Solution

1. Step 1: Write the proportion equation
   7,457.32 : 10,291.76 = 4,100.79 : x
2. Step 2: Convert to fraction form
   7,457.32/10,291.76 = 4,100.79/x
3. Step 3: Cross multiply
   7,457.32x = 10,291.76 × 4,100.79
4. Step 4: Simplify right side
   7,457.32x = 42,204,346.49
5. Step 5: Solve for x
   x = 42,204,346.49/7,457.32
6. Step 6: Final answer
   x = 5,659.45