Finding the Fourth Proportional to 126,456.72, 189,694.80 and 37,703.28

Step by Step Solution

1. Step 1: Write the proportion equation
   126,456.72 : 189,694.80 = 37,703.28 : x
2. Step 2: Convert to fraction form
   126,456.72/189,694.80 = 37,703.28/x
3. Step 3: Cross multiply
   126,456.72x = 189,694.80 × 37,703.28
4. Step 4: Simplify right side
   126,456.72x = 7,152,116,158.94
5. Step 5: Solve for x
   x = 7,152,116,158.94/126,456.72
6. Step 6: Final answer
   x = 56,557.82