Finding the Fourth Proportional to 67,690.72, 93,412.56 and 37,882.72

Step by Step Solution

1. Step 1: Write the proportion equation
   67,690.72 : 93,412.56 = 37,882.72 : x
2. Step 2: Convert to fraction form
   67,690.72/93,412.56 = 37,882.72/x
3. Step 3: Cross multiply
   67,690.72x = 93,412.56 × 37,882.72
4. Step 4: Simplify right side
   67,690.72x = 3,538,721,854.96
5. Step 5: Solve for x
   x = 3,538,721,854.96/67,690.72
6. Step 6: Final answer
   x = 52,277.80