Finding the Fourth Proportional to 11,759.34, 17,611.87 and 7,069.05

Step by Step Solution

1. Step 1: Write the proportion equation
   11,759.34 : 17,611.87 = 7,069.05 : x
2. Step 2: Convert to fraction form
   11,759.34/17,611.87 = 7,069.05/x
3. Step 3: Cross multiply
   11,759.34x = 17,611.87 × 7,069.05
4. Step 4: Simplify right side
   11,759.34x = 124,499,203.82
5. Step 5: Solve for x
   x = 124,499,203.82/11,759.34
6. Step 6: Final answer
   x = 10,587.26