Finding the Fourth Proportional to 7,457.77, 10,291.51 and 4,100.58

Step by Step Solution

1. Step 1: Write the proportion equation
   7,457.77 : 10,291.51 = 4,100.58 : x
2. Step 2: Convert to fraction form
   7,457.77/10,291.51 = 4,100.58/x
3. Step 3: Cross multiply
   7,457.77x = 10,291.51 × 4,100.58
4. Step 4: Simplify right side
   7,457.77x = 42,201,139.57
5. Step 5: Solve for x
   x = 42,201,139.57/7,457.77
6. Step 6: Final answer
   x = 5,658.68