Finding the Fourth Proportional to 37,837.81, 52,233.87 and 21,919.15

Step by Step Solution

1. Step 1: Write the proportion equation
   37,837.81 : 52,233.87 = 21,919.15 : x
2. Step 2: Convert to fraction form
   37,837.81/52,233.87 = 21,919.15/x
3. Step 3: Cross multiply
   37,837.81x = 52,233.87 × 21,919.15
4. Step 4: Simplify right side
   37,837.81x = 1,144,922,031.61
5. Step 5: Solve for x
   x = 1,144,922,031.61/37,837.81
6. Step 6: Final answer
   x = 30,258.68