Finding the Fourth Proportional to 37,415.25, 51,633.05 and 20,648.25

Step by Step Solution

1. Step 1: Write the proportion equation
   37,415.25 : 51,633.05 = 20,648.25 : x
2. Step 2: Convert to fraction form
   37,415.25/51,633.05 = 20,648.25/x
3. Step 3: Cross multiply
   37,415.25x = 51,633.05 × 20,648.25
4. Step 4: Simplify right side
   37,415.25x = 1,066,132,021.42
5. Step 5: Solve for x
   x = 1,066,132,021.42/37,415.25
6. Step 6: Final answer
   x = 28,494.59