Finding the Fourth Proportional to 17,588.54, 26,378.56 and 5,105.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,588.54 : 26,378.56 = 5,105.18 : x
2. Step 2: Convert to fraction form
   17,588.54/26,378.56 = 5,105.18/x
3. Step 3: Cross multiply
   17,588.54x = 26,378.56 × 5,105.18
4. Step 4: Simplify right side
   17,588.54x = 134,667,220.89
5. Step 5: Solve for x
   x = 134,667,220.89/17,588.54
6. Step 6: Final answer
   x = 7,656.53