Finding the Fourth Proportional to 37,745.68, 52,088.52 and 20,978.32

Step by Step Solution

1. Step 1: Write the proportion equation
   37,745.68 : 52,088.52 = 20,978.32 : x
2. Step 2: Convert to fraction form
   37,745.68/52,088.52 = 20,978.32/x
3. Step 3: Cross multiply
   37,745.68x = 52,088.52 × 20,978.32
4. Step 4: Simplify right side
   37,745.68x = 1,092,729,640.89
5. Step 5: Solve for x
   x = 1,092,729,640.89/37,745.68
6. Step 6: Final answer
   x = 28,949.79