Finding the Fourth Proportional to 37,308.79, 51,483.53 and 21,176.42

Step by Step Solution

1. Step 1: Write the proportion equation
   37,308.79 : 51,483.53 = 21,176.42 : x
2. Step 2: Convert to fraction form
   37,308.79/51,483.53 = 21,176.42/x
3. Step 3: Cross multiply
   37,308.79x = 51,483.53 × 21,176.42
4. Step 4: Simplify right side
   37,308.79x = 1,090,237,007.78
5. Step 5: Solve for x
   x = 1,090,237,007.78/37,308.79
6. Step 6: Final answer
   x = 29,221.99