Finding the Fourth Proportional to 69,507.48, 104,259.72 and 16,917.24

Step by Step Solution

1. Step 1: Write the proportion equation
   69,507.48 : 104,259.72 = 16,917.24 : x
2. Step 2: Convert to fraction form
   69,507.48/104,259.72 = 16,917.24/x
3. Step 3: Cross multiply
   69,507.48x = 104,259.72 × 16,917.24
4. Step 4: Simplify right side
   69,507.48x = 1,763,786,705.57
5. Step 5: Solve for x
   x = 1,763,786,705.57/69,507.48
6. Step 6: Final answer
   x = 25,375.49