Finding the Fourth Proportional to 30,109.33, 41,548.43 and 16,681.15

Step by Step Solution

1. Step 1: Write the proportion equation
   30,109.33 : 41,548.43 = 16,681.15 : x
2. Step 2: Convert to fraction form
   30,109.33/41,548.43 = 16,681.15/x
3. Step 3: Cross multiply
   30,109.33x = 41,548.43 × 16,681.15
4. Step 4: Simplify right side
   30,109.33x = 693,075,530.93
5. Step 5: Solve for x
   x = 693,075,530.93/30,109.33
6. Step 6: Final answer
   x = 23,018.63