Finding the Fourth Proportional to 37,936.18, 56,978.04 and 30,921.34

Step by Step Solution

1. Step 1: Write the proportion equation
   37,936.18 : 56,978.04 = 30,921.34 : x
2. Step 2: Convert to fraction form
   37,936.18/56,978.04 = 30,921.34/x
3. Step 3: Cross multiply
   37,936.18x = 56,978.04 × 30,921.34
4. Step 4: Simplify right side
   37,936.18x = 1,761,837,347.37
5. Step 5: Solve for x
   x = 1,761,837,347.37/37,936.18
6. Step 6: Final answer
   x = 46,442.14