Finding the Fourth Proportional to 126,404.65, 189,634.31 and 37,665.30

Step by Step Solution

1. Step 1: Write the proportion equation
   126,404.65 : 189,634.31 = 37,665.30 : x
2. Step 2: Convert to fraction form
   126,404.65/189,634.31 = 37,665.30/x
3. Step 3: Cross multiply
   126,404.65x = 189,634.31 × 37,665.30
4. Step 4: Simplify right side
   126,404.65x = 7,142,634,052.36
5. Step 5: Solve for x
   x = 7,142,634,052.36/126,404.65
6. Step 6: Final answer
   x = 56,506.10