Finding the Fourth Proportional to 67,494.78, 93,142.80 and 37,686.78

Step by Step Solution

1. Step 1: Write the proportion equation
   67,494.78 : 93,142.80 = 37,686.78 : x
2. Step 2: Convert to fraction form
   67,494.78/93,142.80 = 37,686.78/x
3. Step 3: Cross multiply
   67,494.78x = 93,142.80 × 37,686.78
4. Step 4: Simplify right side
   67,494.78x = 3,510,252,212.18
5. Step 5: Solve for x
   x = 3,510,252,212.18/67,494.78
6. Step 6: Final answer
   x = 52,007.76