Finding the Fourth Proportional to 12,734.90, 17,573.38 and 7,069.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,734.90 : 17,573.38 = 7,069.31 : x
2. Step 2: Convert to fraction form
   12,734.90/17,573.38 = 7,069.31/x
3. Step 3: Cross multiply
   12,734.90x = 17,573.38 × 7,069.31
4. Step 4: Simplify right side
   12,734.90x = 124,231,697.23
5. Step 5: Solve for x
   x = 124,231,697.23/12,734.90
6. Step 6: Final answer
   x = 9,755.21