Finding the Fourth Proportional to 7,457.65, 10,291.82 and 4,100.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,457.65 : 10,291.82 = 4,100.72 : x
2. Step 2: Convert to fraction form
   7,457.65/10,291.82 = 4,100.72/x
3. Step 3: Cross multiply
   7,457.65x = 10,291.82 × 4,100.72
4. Step 4: Simplify right side
   7,457.65x = 42,203,840.63
5. Step 5: Solve for x
   x = 42,203,840.63/7,457.65
6. Step 6: Final answer
   x = 5,659.14