Finding the Fourth Proportional to 17,090.16, 25,619.57 and 5,990.79

Step by Step Solution

1. Step 1: Write the proportion equation
   17,090.16 : 25,619.57 = 5,990.79 : x
2. Step 2: Convert to fraction form
   17,090.16/25,619.57 = 5,990.79/x
3. Step 3: Cross multiply
   17,090.16x = 25,619.57 × 5,990.79
4. Step 4: Simplify right side
   17,090.16x = 153,481,463.76
5. Step 5: Solve for x
   x = 153,481,463.76/17,090.16
6. Step 6: Final answer
   x = 8,980.69