Finding the Fourth Proportional to 12,699.23, 19,042.34 and 5,301.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,699.23 : 19,042.34 = 5,301.69 : x
2. Step 2: Convert to fraction form
   12,699.23/19,042.34 = 5,301.69/x
3. Step 3: Cross multiply
   12,699.23x = 19,042.34 × 5,301.69
4. Step 4: Simplify right side
   12,699.23x = 100,956,557.05
5. Step 5: Solve for x
   x = 100,956,557.05/12,699.23
6. Step 6: Final answer
   x = 7,949.82