Finding the Fourth Proportional to 37,059.58, 51,141.72 and 21,144.30

Step by Step Solution

1. Step 1: Write the proportion equation
   37,059.58 : 51,141.72 = 21,144.30 : x
2. Step 2: Convert to fraction form
   37,059.58/51,141.72 = 21,144.30/x
3. Step 3: Cross multiply
   37,059.58x = 51,141.72 × 21,144.30
4. Step 4: Simplify right side
   37,059.58x = 1,081,355,870.20
5. Step 5: Solve for x
   x = 1,081,355,870.20/37,059.58
6. Step 6: Final answer
   x = 29,178.85