Finding the Fourth Proportional to 37,667.94, 51,991.16 and 21,761.62

Step by Step Solution

1. Step 1: Write the proportion equation
   37,667.94 : 51,991.16 = 21,761.62 : x
2. Step 2: Convert to fraction form
   37,667.94/51,991.16 = 21,761.62/x
3. Step 3: Cross multiply
   37,667.94x = 51,991.16 × 21,761.62
4. Step 4: Simplify right side
   37,667.94x = 1,131,411,867.28
5. Step 5: Solve for x
   x = 1,131,411,867.28/37,667.94
6. Step 6: Final answer
   x = 30,036.47