Finding the Fourth Proportional to 17,005.05, 25,503.93 and 5,316.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,005.05 : 25,503.93 = 5,316.75 : x
2. Step 2: Convert to fraction form
   17,005.05/25,503.93 = 5,316.75/x
3. Step 3: Cross multiply
   17,005.05x = 25,503.93 × 5,316.75
4. Step 4: Simplify right side
   17,005.05x = 135,598,019.83
5. Step 5: Solve for x
   x = 135,598,019.83/17,005.05
6. Step 6: Final answer
   x = 7,973.99