Finding the Fourth Proportional to 67,065.33, 100,613.57 and 19,678.51

Step by Step Solution

1. Step 1: Write the proportion equation
   67,065.33 : 100,613.57 = 19,678.51 : x
2. Step 2: Convert to fraction form
   67,065.33/100,613.57 = 19,678.51/x
3. Step 3: Cross multiply
   67,065.33x = 100,613.57 × 19,678.51
4. Step 4: Simplify right side
   67,065.33x = 1,979,925,143.38
5. Step 5: Solve for x
   x = 1,979,925,143.38/67,065.33
6. Step 6: Final answer
   x = 29,522.34