Finding the Fourth Proportional to 17,588.79, 26,380.73 and 4,440.38

Step by Step Solution

1. Step 1: Write the proportion equation
   17,588.79 : 26,380.73 = 4,440.38 : x
2. Step 2: Convert to fraction form
   17,588.79/26,380.73 = 4,440.38/x
3. Step 3: Cross multiply
   17,588.79x = 26,380.73 × 4,440.38
4. Step 4: Simplify right side
   17,588.79x = 117,140,311.77
5. Step 5: Solve for x
   x = 117,140,311.77/17,588.79
6. Step 6: Final answer
   x = 6,659.94