Finding the Fourth Proportional to 17,725.27, 26,579.78 and 5,240.84

Step by Step Solution

1. Step 1: Write the proportion equation
   17,725.27 : 26,579.78 = 5,240.84 : x
2. Step 2: Convert to fraction form
   17,725.27/26,579.78 = 5,240.84/x
3. Step 3: Cross multiply
   17,725.27x = 26,579.78 × 5,240.84
4. Step 4: Simplify right side
   17,725.27x = 139,300,374.22
5. Step 5: Solve for x
   x = 139,300,374.22/17,725.27
6. Step 6: Final answer
   x = 7,858.86