Finding the Fourth Proportional to 37,315.28, 55,680.58 and 33,392.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,315.28 : 55,680.58 = 33,392.72 : x
2. Step 2: Convert to fraction form
   37,315.28/55,680.58 = 33,392.72/x
3. Step 3: Cross multiply
   37,315.28x = 55,680.58 × 33,392.72
4. Step 4: Simplify right side
   37,315.28x = 1,859,326,017.38
5. Step 5: Solve for x
   x = 1,859,326,017.38/37,315.28
6. Step 6: Final answer
   x = 49,827.47