Finding the Fourth Proportional to 17,221.16, 25,828.70 and 4,738.17

Step by Step Solution

1. Step 1: Write the proportion equation
   17,221.16 : 25,828.70 = 4,738.17 : x
2. Step 2: Convert to fraction form
   17,221.16/25,828.70 = 4,738.17/x
3. Step 3: Cross multiply
   17,221.16x = 25,828.70 × 4,738.17
4. Step 4: Simplify right side
   17,221.16x = 122,380,783.32
5. Step 5: Solve for x
   x = 122,380,783.32/17,221.16
6. Step 6: Final answer
   x = 7,106.42