Finding the Fourth Proportional to 37,300.42, 51,475.42 and 21,168.79

Step by Step Solution

1. Step 1: Write the proportion equation
   37,300.42 : 51,475.42 = 21,168.79 : x
2. Step 2: Convert to fraction form
   37,300.42/51,475.42 = 21,168.79/x
3. Step 3: Cross multiply
   37,300.42x = 51,475.42 × 21,168.79
4. Step 4: Simplify right side
   37,300.42x = 1,089,672,424.39
5. Step 5: Solve for x
   x = 1,089,672,424.39/37,300.42
6. Step 6: Final answer
   x = 29,213.41