Finding the Fourth Proportional to 126,096.07, 189,189.27 and 54,018.74

Step by Step Solution

1. Step 1: Write the proportion equation
   126,096.07 : 189,189.27 = 54,018.74 : x
2. Step 2: Convert to fraction form
   126,096.07/189,189.27 = 54,018.74/x
3. Step 3: Cross multiply
   126,096.07x = 189,189.27 × 54,018.74
4. Step 4: Simplify right side
   126,096.07x = 10,219,766,459.89
5. Step 5: Solve for x
   x = 10,219,766,459.89/126,096.07
6. Step 6: Final answer
   x = 81,047.46