Finding the Fourth Proportional to 126,073.53, 189,138.33 and 55,007.69

Step by Step Solution

1. Step 1: Write the proportion equation
   126,073.53 : 189,138.33 = 55,007.69 : x
2. Step 2: Convert to fraction form
   126,073.53/189,138.33 = 55,007.69/x
3. Step 3: Cross multiply
   126,073.53x = 189,138.33 × 55,007.69
4. Step 4: Simplify right side
   126,073.53x = 10,404,061,678.07
5. Step 5: Solve for x
   x = 10,404,061,678.07/126,073.53
6. Step 6: Final answer
   x = 82,523.76