Finding the Fourth Proportional to 37,683.98, 52,003.90 and 20,916.98

Step by Step Solution

1. Step 1: Write the proportion equation
   37,683.98 : 52,003.90 = 20,916.98 : x
2. Step 2: Convert to fraction form
   37,683.98/52,003.90 = 20,916.98/x
3. Step 3: Cross multiply
   37,683.98x = 52,003.90 × 20,916.98
4. Step 4: Simplify right side
   37,683.98x = 1,087,764,731.06
5. Step 5: Solve for x
   x = 1,087,764,731.06/37,683.98
6. Step 6: Final answer
   x = 28,865.44