Finding the Fourth Proportional to 55,728.52, 83,621.46 and 37,021.44

Step by Step Solution

1. Step 1: Write the proportion equation
   55,728.52 : 83,621.46 = 37,021.44 : x
2. Step 2: Convert to fraction form
   55,728.52/83,621.46 = 37,021.44/x
3. Step 3: Cross multiply
   55,728.52x = 83,621.46 × 37,021.44
4. Step 4: Simplify right side
   55,728.52x = 3,095,786,864.10
5. Step 5: Solve for x
   x = 3,095,786,864.10/55,728.52
6. Step 6: Final answer
   x = 55,551.21