Finding the Fourth Proportional to 37,978.57, 52,409.50 and 20,984.44

Step by Step Solution

1. Step 1: Write the proportion equation
   37,978.57 : 52,409.50 = 20,984.44 : x
2. Step 2: Convert to fraction form
   37,978.57/52,409.50 = 20,984.44/x
3. Step 3: Cross multiply
   37,978.57x = 52,409.50 × 20,984.44
4. Step 4: Simplify right side
   37,978.57x = 1,099,784,008.18
5. Step 5: Solve for x
   x = 1,099,784,008.18/37,978.57
6. Step 6: Final answer
   x = 28,958.02