Finding the Fourth Proportional to 36,934.72, 55,313.78 and 21,304.96

Step by Step Solution

1. Step 1: Write the proportion equation
   36,934.72 : 55,313.78 = 21,304.96 : x
2. Step 2: Convert to fraction form
   36,934.72/55,313.78 = 21,304.96/x
3. Step 3: Cross multiply
   36,934.72x = 55,313.78 × 21,304.96
4. Step 4: Simplify right side
   36,934.72x = 1,178,457,870.35
5. Step 5: Solve for x
   x = 1,178,457,870.35/36,934.72
6. Step 6: Final answer
   x = 31,906.51