Finding the Fourth Proportional to 76,134.66, 105,096.06 and 51,611.10

Step by Step Solution

1. Step 1: Write the proportion equation
   76,134.66 : 105,096.06 = 51,611.10 : x
2. Step 2: Convert to fraction form
   76,134.66/105,096.06 = 51,611.10/x
3. Step 3: Cross multiply
   76,134.66x = 105,096.06 × 51,611.10
4. Step 4: Simplify right side
   76,134.66x = 5,424,123,262.27
5. Step 5: Solve for x
   x = 5,424,123,262.27/76,134.66
6. Step 6: Final answer
   x = 71,243.81