Finding the Fourth Proportional to 69,498.51, 104,247.15 and 16,908.05

Step by Step Solution

1. Step 1: Write the proportion equation
   69,498.51 : 104,247.15 = 16,908.05 : x
2. Step 2: Convert to fraction form
   69,498.51/104,247.15 = 16,908.05/x
3. Step 3: Cross multiply
   69,498.51x = 104,247.15 × 16,908.05
4. Step 4: Simplify right side
   69,498.51x = 1,762,615,503.32
5. Step 5: Solve for x
   x = 1,762,615,503.32/69,498.51
6. Step 6: Final answer
   x = 25,361.92