Finding the Fourth Proportional to 42,681.06, 64,033.89 and 17,716.44

Step by Step Solution

1. Step 1: Write the proportion equation
   42,681.06 : 64,033.89 = 17,716.44 : x
2. Step 2: Convert to fraction form
   42,681.06/64,033.89 = 17,716.44/x
3. Step 3: Cross multiply
   42,681.06x = 64,033.89 × 17,716.44
4. Step 4: Simplify right side
   42,681.06x = 1,134,452,570.15
5. Step 5: Solve for x
   x = 1,134,452,570.15/42,681.06
6. Step 6: Final answer
   x = 26,579.77