Finding the Fourth Proportional to 126,076.53, 189,142.83 and 55,010.69

Step by Step Solution

1. Step 1: Write the proportion equation
   126,076.53 : 189,142.83 = 55,010.69 : x
2. Step 2: Convert to fraction form
   126,076.53/189,142.83 = 55,010.69/x
3. Step 3: Cross multiply
   126,076.53x = 189,142.83 × 55,010.69
4. Step 4: Simplify right side
   126,076.53x = 10,404,877,586.85
5. Step 5: Solve for x
   x = 10,404,877,586.85/126,076.53
6. Step 6: Final answer
   x = 82,528.27