Finding the Fourth Proportional to 8,699.24, 12,004.70 and 5,162.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,699.24 : 12,004.70 = 5,162.42 : x
2. Step 2: Convert to fraction form
   8,699.24/12,004.70 = 5,162.42/x
3. Step 3: Cross multiply
   8,699.24x = 12,004.70 × 5,162.42
4. Step 4: Simplify right side
   8,699.24x = 61,973,303.37
5. Step 5: Solve for x
   x = 61,973,303.37/8,699.24
6. Step 6: Final answer
   x = 7,123.99