Finding the Fourth Proportional to 37,973.98, 52,404.46 and 20,978.63

Step by Step Solution

1. Step 1: Write the proportion equation
   37,973.98 : 52,404.46 = 20,978.63 : x
2. Step 2: Convert to fraction form
   37,973.98/52,404.46 = 20,978.63/x
3. Step 3: Cross multiply
   37,973.98x = 52,404.46 × 20,978.63
4. Step 4: Simplify right side
   37,973.98x = 1,099,373,462.22
5. Step 5: Solve for x
   x = 1,099,373,462.22/37,973.98
6. Step 6: Final answer
   x = 28,950.71