Finding the Fourth Proportional to 37,973.99, 52,403.94 and 20,978.23

Step by Step Solution

1. Step 1: Write the proportion equation
   37,973.99 : 52,403.94 = 20,978.23 : x
2. Step 2: Convert to fraction form
   37,973.99/52,403.94 = 20,978.23/x
3. Step 3: Cross multiply
   37,973.99x = 52,403.94 × 20,978.23
4. Step 4: Simplify right side
   37,973.99x = 1,099,341,739.12
5. Step 5: Solve for x
   x = 1,099,341,739.12/37,973.99
6. Step 6: Final answer
   x = 28,949.86