Finding the Fourth Proportional to 37,831.46, 52,218.88 and 21,919.82

Step by Step Solution

1. Step 1: Write the proportion equation
   37,831.46 : 52,218.88 = 21,919.82 : x
2. Step 2: Convert to fraction form
   37,831.46/52,218.88 = 21,919.82/x
3. Step 3: Cross multiply
   37,831.46x = 52,218.88 × 21,919.82
4. Step 4: Simplify right side
   37,831.46x = 1,144,628,134.31
5. Step 5: Solve for x
   x = 1,144,628,134.31/37,831.46
6. Step 6: Final answer
   x = 30,255.99