Finding the Fourth Proportional to 17,072.02, 25,619.56 and 5,978.80

Step by Step Solution

1. Step 1: Write the proportion equation
   17,072.02 : 25,619.56 = 5,978.80 : x
2. Step 2: Convert to fraction form
   17,072.02/25,619.56 = 5,978.80/x
3. Step 3: Cross multiply
   17,072.02x = 25,619.56 × 5,978.80
4. Step 4: Simplify right side
   17,072.02x = 153,174,225.33
5. Step 5: Solve for x
   x = 153,174,225.33/17,072.02
6. Step 6: Final answer
   x = 8,972.24