Finding the Fourth Proportional to 37,405.42, 51,621.77 and 21,492.27

Step by Step Solution

1. Step 1: Write the proportion equation
   37,405.42 : 51,621.77 = 21,492.27 : x
2. Step 2: Convert to fraction form
   37,405.42/51,621.77 = 21,492.27/x
3. Step 3: Cross multiply
   37,405.42x = 51,621.77 × 21,492.27
4. Step 4: Simplify right side
   37,405.42x = 1,109,469,072.45
5. Step 5: Solve for x
   x = 1,109,469,072.45/37,405.42
6. Step 6: Final answer
   x = 29,660.65