Finding the Fourth Proportional to 37,056, 51,137.46 and 21,140.28

Step by Step Solution

1. Step 1: Write the proportion equation
   37,056 : 51,137.46 = 21,140.28 : x
2. Step 2: Convert to fraction form
   37,056/51,137.46 = 21,140.28/x
3. Step 3: Cross multiply
   37,056x = 51,137.46 × 21,140.28
4. Step 4: Simplify right side
   37,056x = 1,081,060,222.89
5. Step 5: Solve for x
   x = 1,081,060,222.89/37,056
6. Step 6: Final answer
   x = 29,173.69