Finding the Fourth Proportional to 126,003.43, 189,084.27 and 51,123.89

Step by Step Solution

1. Step 1: Write the proportion equation
   126,003.43 : 189,084.27 = 51,123.89 : x
2. Step 2: Convert to fraction form
   126,003.43/189,084.27 = 51,123.89/x
3. Step 3: Cross multiply
   126,003.43x = 189,084.27 × 51,123.89
4. Step 4: Simplify right side
   126,003.43x = 9,666,724,084.64
5. Step 5: Solve for x
   x = 9,666,724,084.64/126,003.43
6. Step 6: Final answer
   x = 76,717.94