Finding the Fourth Proportional to 17,570.31, 26,351.34 and 5,086.99

Step by Step Solution

1. Step 1: Write the proportion equation
   17,570.31 : 26,351.34 = 5,086.99 : x
2. Step 2: Convert to fraction form
   17,570.31/26,351.34 = 5,086.99/x
3. Step 3: Cross multiply
   17,570.31x = 26,351.34 × 5,086.99
4. Step 4: Simplify right side
   17,570.31x = 134,049,003.07
5. Step 5: Solve for x
   x = 134,049,003.07/17,570.31
6. Step 6: Final answer
   x = 7,629.29