Finding the Fourth Proportional to 37,076.58, 51,165.18 and 21,161.30

Step by Step Solution

1. Step 1: Write the proportion equation
   37,076.58 : 51,165.18 = 21,161.30 : x
2. Step 2: Convert to fraction form
   37,076.58/51,165.18 = 21,161.30/x
3. Step 3: Cross multiply
   37,076.58x = 51,165.18 × 21,161.30
4. Step 4: Simplify right side
   37,076.58x = 1,082,721,467.71
5. Step 5: Solve for x
   x = 1,082,721,467.71/37,076.58
6. Step 6: Final answer
   x = 29,202.30