Finding the Fourth Proportional to 126,072.92, 189,128.82 and 37,340.12

Step by Step Solution

1. Step 1: Write the proportion equation
   126,072.92 : 189,128.82 = 37,340.12 : x
2. Step 2: Convert to fraction form
   126,072.92/189,128.82 = 37,340.12/x
3. Step 3: Cross multiply
   126,072.92x = 189,128.82 × 37,340.12
4. Step 4: Simplify right side
   126,072.92x = 7,062,092,834.26
5. Step 5: Solve for x
   x = 7,062,092,834.26/126,072.92
6. Step 6: Final answer
   x = 56,015.94