Finding the Fourth Proportional to 9,162.30, 12,643.11 and 5,624.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,162.30 : 12,643.11 = 5,624.94 : x
2. Step 2: Convert to fraction form
   9,162.30/12,643.11 = 5,624.94/x
3. Step 3: Cross multiply
   9,162.30x = 12,643.11 × 5,624.94
4. Step 4: Simplify right side
   9,162.30x = 71,116,735.16
5. Step 5: Solve for x
   x = 71,116,735.16/9,162.30
6. Step 6: Final answer
   x = 7,761.89