Finding the Fourth Proportional to 67,451.96, 93,086.72 and 38,780.92

Step by Step Solution

1. Step 1: Write the proportion equation
   67,451.96 : 93,086.72 = 38,780.92 : x
2. Step 2: Convert to fraction form
   67,451.96/93,086.72 = 38,780.92/x
3. Step 3: Cross multiply
   67,451.96x = 93,086.72 × 38,780.92
4. Step 4: Simplify right side
   67,451.96x = 3,609,988,641.38
5. Step 5: Solve for x
   x = 3,609,988,641.38/67,451.96
6. Step 6: Final answer
   x = 53,519.40