Finding the Fourth Proportional to 7,457.81, 10,291.81 and 4,100.84

Step by Step Solution

1. Step 1: Write the proportion equation
   7,457.81 : 10,291.81 = 4,100.84 : x
2. Step 2: Convert to fraction form
   7,457.81/10,291.81 = 4,100.84/x
3. Step 3: Cross multiply
   7,457.81x = 10,291.81 × 4,100.84
4. Step 4: Simplify right side
   7,457.81x = 42,205,051.28
5. Step 5: Solve for x
   x = 42,205,051.28/7,457.81
6. Step 6: Final answer
   x = 5,659.18