Finding the Fourth Proportional to 12,342.06, 17,022.42 and 7,558.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,342.06 : 17,022.42 = 7,558.07 : x
2. Step 2: Convert to fraction form
   12,342.06/17,022.42 = 7,558.07/x
3. Step 3: Cross multiply
   12,342.06x = 17,022.42 × 7,558.07
4. Step 4: Simplify right side
   12,342.06x = 128,656,556.82
5. Step 5: Solve for x
   x = 128,656,556.82/12,342.06
6. Step 6: Final answer
   x = 10,424.24