Finding the Fourth Proportional to 37,286.72, 51,444.09 and 21,151.37

Step by Step Solution

1. Step 1: Write the proportion equation
   37,286.72 : 51,444.09 = 21,151.37 : x
2. Step 2: Convert to fraction form
   37,286.72/51,444.09 = 21,151.37/x
3. Step 3: Cross multiply
   37,286.72x = 51,444.09 × 21,151.37
4. Step 4: Simplify right side
   37,286.72x = 1,088,112,981.90
5. Step 5: Solve for x
   x = 1,088,112,981.90/37,286.72
6. Step 6: Final answer
   x = 29,182.32