Finding the Fourth Proportional to 37,109.82, 51,205.98 and 21,190.89

Step by Step Solution

1. Step 1: Write the proportion equation
   37,109.82 : 51,205.98 = 21,190.89 : x
2. Step 2: Convert to fraction form
   37,109.82/51,205.98 = 21,190.89/x
3. Step 3: Cross multiply
   37,109.82x = 51,205.98 × 21,190.89
4. Step 4: Simplify right side
   37,109.82x = 1,085,100,289.52
5. Step 5: Solve for x
   x = 1,085,100,289.52/37,109.82
6. Step 6: Final answer
   x = 29,240.25