Finding the Fourth Proportional to 17,222.76, 25,830.72 and 4,739.58

Step by Step Solution

1. Step 1: Write the proportion equation
   17,222.76 : 25,830.72 = 4,739.58 : x
2. Step 2: Convert to fraction form
   17,222.76/25,830.72 = 4,739.58/x
3. Step 3: Cross multiply
   17,222.76x = 25,830.72 × 4,739.58
4. Step 4: Simplify right side
   17,222.76x = 122,426,763.90
5. Step 5: Solve for x
   x = 122,426,763.90/17,222.76
6. Step 6: Final answer
   x = 7,108.43