Finding the Fourth Proportional to 37,915.05, 52,323.26 and 20,919.98

Step by Step Solution

1. Step 1: Write the proportion equation
   37,915.05 : 52,323.26 = 20,919.98 : x
2. Step 2: Convert to fraction form
   37,915.05/52,323.26 = 20,919.98/x
3. Step 3: Cross multiply
   37,915.05x = 52,323.26 × 20,919.98
4. Step 4: Simplify right side
   37,915.05x = 1,094,601,578.94
5. Step 5: Solve for x
   x = 1,094,601,578.94/37,915.05
6. Step 6: Final answer
   x = 28,869.84