Finding the Fourth Proportional to 9,457.69, 13,051.51 and 5,208.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,457.69 : 13,051.51 = 5,208.67 : x
2. Step 2: Convert to fraction form
   9,457.69/13,051.51 = 5,208.67/x
3. Step 3: Cross multiply
   9,457.69x = 13,051.51 × 5,208.67
4. Step 4: Simplify right side
   9,457.69x = 67,981,008.59
5. Step 5: Solve for x
   x = 67,981,008.59/9,457.69
6. Step 6: Final answer
   x = 7,187.91