Finding the Fourth Proportional to 49,861.77, 68,824.74 and 30,747.57

Step by Step Solution

1. Step 1: Write the proportion equation
   49,861.77 : 68,824.74 = 30,747.57 : x
2. Step 2: Convert to fraction form
   49,861.77/68,824.74 = 30,747.57/x
3. Step 3: Cross multiply
   49,861.77x = 68,824.74 × 30,747.57
4. Step 4: Simplify right side
   49,861.77x = 2,116,193,510.88
5. Step 5: Solve for x
   x = 2,116,193,510.88/49,861.77
6. Step 6: Final answer
   x = 42,441.20