Finding the Fourth Proportional to 67,678.05, 93,404.05 and 38,613.57

Step by Step Solution

1. Step 1: Write the proportion equation
   67,678.05 : 93,404.05 = 38,613.57 : x
2. Step 2: Convert to fraction form
   67,678.05/93,404.05 = 38,613.57/x
3. Step 3: Cross multiply
   67,678.05x = 93,404.05 × 38,613.57
4. Step 4: Simplify right side
   67,678.05x = 3,606,663,376.16
5. Step 5: Solve for x
   x = 3,606,663,376.16/67,678.05
6. Step 6: Final answer
   x = 53,291.48