Finding the Fourth Proportional to 37,670.24, 51,983.16 and 20,902.88

Step by Step Solution

1. Step 1: Write the proportion equation
   37,670.24 : 51,983.16 = 20,902.88 : x
2. Step 2: Convert to fraction form
   37,670.24/51,983.16 = 20,902.88/x
3. Step 3: Cross multiply
   37,670.24x = 51,983.16 × 20,902.88
4. Step 4: Simplify right side
   37,670.24x = 1,086,597,755.50
5. Step 5: Solve for x
   x = 1,086,597,755.50/37,670.24
6. Step 6: Final answer
   x = 28,844.99