Finding the Fourth Proportional to 37,123.48, 51,231.42 and 21,210.52

Step by Step Solution

1. Step 1: Write the proportion equation
   37,123.48 : 51,231.42 = 21,210.52 : x
2. Step 2: Convert to fraction form
   37,123.48/51,231.42 = 21,210.52/x
3. Step 3: Cross multiply
   37,123.48x = 51,231.42 × 21,210.52
4. Step 4: Simplify right side
   37,123.48x = 1,086,645,058.54
5. Step 5: Solve for x
   x = 1,086,645,058.54/37,123.48
6. Step 6: Final answer
   x = 29,271.10