Finding the Fourth Proportional to 37,047.10, 51,123.99 and 21,131.21

Step by Step Solution

1. Step 1: Write the proportion equation
   37,047.10 : 51,123.99 = 21,131.21 : x
2. Step 2: Convert to fraction form
   37,047.10/51,123.99 = 21,131.21/x
3. Step 3: Cross multiply
   37,047.10x = 51,123.99 × 21,131.21
4. Step 4: Simplify right side
   37,047.10x = 1,080,311,768.73
5. Step 5: Solve for x
   x = 1,080,311,768.73/37,047.10
6. Step 6: Final answer
   x = 29,160.49