Finding the Fourth Proportional to 37,128.08, 55,691.27 and 9,048.37

Step by Step Solution

1. Step 1: Write the proportion equation
   37,128.08 : 55,691.27 = 9,048.37 : x
2. Step 2: Convert to fraction form
   37,128.08/55,691.27 = 9,048.37/x
3. Step 3: Cross multiply
   37,128.08x = 55,691.27 × 9,048.37
4. Step 4: Simplify right side
   37,128.08x = 503,915,274.38
5. Step 5: Solve for x
   x = 503,915,274.38/37,128.08
6. Step 6: Final answer
   x = 13,572.35