Finding the Fourth Proportional to 7,105.34, 9,811.53 and 4,457.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,105.34 : 9,811.53 = 4,457.30 : x
2. Step 2: Convert to fraction form
   7,105.34/9,811.53 = 4,457.30/x
3. Step 3: Cross multiply
   7,105.34x = 9,811.53 × 4,457.30
4. Step 4: Simplify right side
   7,105.34x = 43,732,932.67
5. Step 5: Solve for x
   x = 43,732,932.67/7,105.34
6. Step 6: Final answer
   x = 6,154.94