Finding the Fourth Proportional to 37,142.46, 51,260.10 and 21,223.83

Step by Step Solution

1. Step 1: Write the proportion equation
   37,142.46 : 51,260.10 = 21,223.83 : x
2. Step 2: Convert to fraction form
   37,142.46/51,260.10 = 21,223.83/x
3. Step 3: Cross multiply
   37,142.46x = 51,260.10 × 21,223.83
4. Step 4: Simplify right side
   37,142.46x = 1,087,935,648.18
5. Step 5: Solve for x
   x = 1,087,935,648.18/37,142.46
6. Step 6: Final answer
   x = 29,290.89