Finding the Fourth Proportional to 49,766.72, 68,693.28 and 30,931.52

Step by Step Solution

1. Step 1: Write the proportion equation
   49,766.72 : 68,693.28 = 30,931.52 : x
2. Step 2: Convert to fraction form
   49,766.72/68,693.28 = 30,931.52/x
3. Step 3: Cross multiply
   49,766.72x = 68,693.28 × 30,931.52
4. Step 4: Simplify right side
   49,766.72x = 2,124,787,564.19
5. Step 5: Solve for x
   x = 2,124,787,564.19/49,766.72
6. Step 6: Final answer
   x = 42,694.95