Finding the Fourth Proportional to 37,145.58, 55,653.54 and 30,945.42

Step by Step Solution

1. Step 1: Write the proportion equation
   37,145.58 : 55,653.54 = 30,945.42 : x
2. Step 2: Convert to fraction form
   37,145.58/55,653.54 = 30,945.42/x
3. Step 3: Cross multiply
   37,145.58x = 55,653.54 × 30,945.42
4. Step 4: Simplify right side
   37,145.58x = 1,722,222,169.79
5. Step 5: Solve for x
   x = 1,722,222,169.79/37,145.58
6. Step 6: Final answer
   x = 46,364.12