Finding the Fourth Proportional to 37,142.85, 51,257.28 and 21,227.83

Step by Step Solution

1. Step 1: Write the proportion equation
   37,142.85 : 51,257.28 = 21,227.83 : x
2. Step 2: Convert to fraction form
   37,142.85/51,257.28 = 21,227.83/x
3. Step 3: Cross multiply
   37,142.85x = 51,257.28 × 21,227.83
4. Step 4: Simplify right side
   37,142.85x = 1,088,080,826.10
5. Step 5: Solve for x
   x = 1,088,080,826.10/37,142.85
6. Step 6: Final answer
   x = 29,294.49