Finding the Fourth Proportional to 37,915.43, 52,322.94 and 20,919.83

Step by Step Solution

1. Step 1: Write the proportion equation
   37,915.43 : 52,322.94 = 20,919.83 : x
2. Step 2: Convert to fraction form
   37,915.43/52,322.94 = 20,919.83/x
3. Step 3: Cross multiply
   37,915.43x = 52,322.94 × 20,919.83
4. Step 4: Simplify right side
   37,915.43x = 1,094,586,748.29
5. Step 5: Solve for x
   x = 1,094,586,748.29/37,915.43
6. Step 6: Final answer
   x = 28,869.17