Finding the Fourth Proportional to 37,945.76, 52,364.91 and 20,951.07

Step by Step Solution

1. Step 1: Write the proportion equation
   37,945.76 : 52,364.91 = 20,951.07 : x
2. Step 2: Convert to fraction form
   37,945.76/52,364.91 = 20,951.07/x
3. Step 3: Cross multiply
   37,945.76x = 52,364.91 × 20,951.07
4. Step 4: Simplify right side
   37,945.76x = 1,097,100,580.75
5. Step 5: Solve for x
   x = 1,097,100,580.75/37,945.76
6. Step 6: Final answer
   x = 28,912.33