Finding the Fourth Proportional to 37,853.98, 52,249.80 and 21,945.58

Step by Step Solution

1. Step 1: Write the proportion equation
   37,853.98 : 52,249.80 = 21,945.58 : x
2. Step 2: Convert to fraction form
   37,853.98/52,249.80 = 21,945.58/x
3. Step 3: Cross multiply
   37,853.98x = 52,249.80 × 21,945.58
4. Step 4: Simplify right side
   37,853.98x = 1,146,652,165.88
5. Step 5: Solve for x
   x = 1,146,652,165.88/37,853.98
6. Step 6: Final answer
   x = 30,291.46