Finding the Fourth Proportional to 37,133.72, 51,157.90 and 30,380

Step by Step Solution

1. Step 1: Write the proportion equation
   37,133.72 : 51,157.90 = 30,380 : x
2. Step 2: Convert to fraction form
   37,133.72/51,157.90 = 30,380/x
3. Step 3: Cross multiply
   37,133.72x = 51,157.90 × 30,380
4. Step 4: Simplify right side
   37,133.72x = 1,554,177,002
5. Step 5: Solve for x
   x = 1,554,177,002/37,133.72
6. Step 6: Final answer
   x = 41,853.52