Finding the Fourth Proportional to 69,489.83, 104,233.91 and 16,899.37

Step by Step Solution

1. Step 1: Write the proportion equation
   69,489.83 : 104,233.91 = 16,899.37 : x
2. Step 2: Convert to fraction form
   69,489.83/104,233.91 = 16,899.37/x
3. Step 3: Cross multiply
   69,489.83x = 104,233.91 × 16,899.37
4. Step 4: Simplify right side
   69,489.83x = 1,761,487,066.56
5. Step 5: Solve for x
   x = 1,761,487,066.56/69,489.83
6. Step 6: Final answer
   x = 25,348.85