Finding the Fourth Proportional to 126,123.27, 189,179.43 and 31,351.45

Step by Step Solution

1. Step 1: Write the proportion equation
   126,123.27 : 189,179.43 = 31,351.45 : x
2. Step 2: Convert to fraction form
   126,123.27/189,179.43 = 31,351.45/x
3. Step 3: Cross multiply
   126,123.27x = 189,179.43 × 31,351.45
4. Step 4: Simplify right side
   126,123.27x = 5,931,049,440.67
5. Step 5: Solve for x
   x = 5,931,049,440.67/126,123.27
6. Step 6: Final answer
   x = 47,025.81