Finding the Fourth Proportional to 69,986.05, 104,978.59 and 17,395.45

Step by Step Solution

1. Step 1: Write the proportion equation
   69,986.05 : 104,978.59 = 17,395.45 : x
2. Step 2: Convert to fraction form
   69,986.05/104,978.59 = 17,395.45/x
3. Step 3: Cross multiply
   69,986.05x = 104,978.59 × 17,395.45
4. Step 4: Simplify right side
   69,986.05x = 1,826,149,813.42
5. Step 5: Solve for x
   x = 1,826,149,813.42/69,986.05
6. Step 6: Final answer
   x = 26,093.05