Finding the Fourth Proportional to 37,909.72, 52,315.76 and 21,994.44

Step by Step Solution

1. Step 1: Write the proportion equation
   37,909.72 : 52,315.76 = 21,994.44 : x
2. Step 2: Convert to fraction form
   37,909.72/52,315.76 = 21,994.44/x
3. Step 3: Cross multiply
   37,909.72x = 52,315.76 × 21,994.44
4. Step 4: Simplify right side
   37,909.72x = 1,150,655,844.37
5. Step 5: Solve for x
   x = 1,150,655,844.37/37,909.72
6. Step 6: Final answer
   x = 30,352.53