Finding the Fourth Proportional to 37,682.30, 52,004.76 and 20,689.42

Step by Step Solution

1. Step 1: Write the proportion equation
   37,682.30 : 52,004.76 = 20,689.42 : x
2. Step 2: Convert to fraction form
   37,682.30/52,004.76 = 20,689.42/x
3. Step 3: Cross multiply
   37,682.30x = 52,004.76 × 20,689.42
4. Step 4: Simplify right side
   37,682.30x = 1,075,948,321.64
5. Step 5: Solve for x
   x = 1,075,948,321.64/37,682.30
6. Step 6: Final answer
   x = 28,553.15