Finding the Fourth Proportional to 37,109.32, 51,205.29 and 21,190.39

Step by Step Solution

1. Step 1: Write the proportion equation
   37,109.32 : 51,205.29 = 21,190.39 : x
2. Step 2: Convert to fraction form
   37,109.32/51,205.29 = 21,190.39/x
3. Step 3: Cross multiply
   37,109.32x = 51,205.29 × 21,190.39
4. Step 4: Simplify right side
   37,109.32x = 1,085,059,809.14
5. Step 5: Solve for x
   x = 1,085,059,809.14/37,109.32
6. Step 6: Final answer
   x = 29,239.55