Finding the Fourth Proportional to 23,770.76, 35,644.17 and 7,970.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,770.76 : 35,644.17 = 7,970.28 : x
2. Step 2: Convert to fraction form
   23,770.76/35,644.17 = 7,970.28/x
3. Step 3: Cross multiply
   23,770.76x = 35,644.17 × 7,970.28
4. Step 4: Simplify right side
   23,770.76x = 284,094,015.27
5. Step 5: Solve for x
   x = 284,094,015.27/23,770.76
6. Step 6: Final answer
   x = 11,951.41