Finding the Fourth Proportional to 37,255.10, 51,408.15 and 21,340.22

Step by Step Solution

1. Step 1: Write the proportion equation
   37,255.10 : 51,408.15 = 21,340.22 : x
2. Step 2: Convert to fraction form
   37,255.10/51,408.15 = 21,340.22/x
3. Step 3: Cross multiply
   37,255.10x = 51,408.15 × 21,340.22
4. Step 4: Simplify right side
   37,255.10x = 1,097,061,230.79
5. Step 5: Solve for x
   x = 1,097,061,230.79/37,255.10
6. Step 6: Final answer
   x = 29,447.28