Finding the Fourth Proportional to 17,698.12, 26,548.62 and 5,047.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,698.12 : 26,548.62 = 5,047.72 : x
2. Step 2: Convert to fraction form
   17,698.12/26,548.62 = 5,047.72/x
3. Step 3: Cross multiply
   17,698.12x = 26,548.62 × 5,047.72
4. Step 4: Simplify right side
   17,698.12x = 134,010,000.15
5. Step 5: Solve for x
   x = 134,010,000.15/17,698.12
6. Step 6: Final answer
   x = 7,571.99