Finding the Fourth Proportional to 37,045.12, 51,123.72 and 20,278.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,045.12 : 51,123.72 = 20,278.12 : x
2. Step 2: Convert to fraction form
   37,045.12/51,123.72 = 20,278.12/x
3. Step 3: Cross multiply
   37,045.12x = 51,123.72 × 20,278.12
4. Step 4: Simplify right side
   37,045.12x = 1,036,692,929.01
5. Step 5: Solve for x
   x = 1,036,692,929.01/37,045.12
6. Step 6: Final answer
   x = 27,984.60