Finding the Fourth Proportional to 87,740.56, 121,096.86 and 49,510.94

Step by Step Solution

1. Step 1: Write the proportion equation
   87,740.56 : 121,096.86 = 49,510.94 : x
2. Step 2: Convert to fraction form
   87,740.56/121,096.86 = 49,510.94/x
3. Step 3: Cross multiply
   87,740.56x = 121,096.86 × 49,510.94
4. Step 4: Simplify right side
   87,740.56x = 5,995,619,122.09
5. Step 5: Solve for x
   x = 5,995,619,122.09/87,740.56
6. Step 6: Final answer
   x = 68,333.50