Finding the Fourth Proportional to 37,978.39, 52,410.00 and 20,982.63

Step by Step Solution

1. Step 1: Write the proportion equation
   37,978.39 : 52,410.00 = 20,982.63 : x
2. Step 2: Convert to fraction form
   37,978.39/52,410.00 = 20,982.63/x
3. Step 3: Cross multiply
   37,978.39x = 52,410.00 × 20,982.63
4. Step 4: Simplify right side
   37,978.39x = 1,099,699,913.52
5. Step 5: Solve for x
   x = 1,099,699,913.52/37,978.39
6. Step 6: Final answer
   x = 28,955.94