Finding the Fourth Proportional to 37,682.24, 52,002.15 and 20,688.07

Step by Step Solution

1. Step 1: Write the proportion equation
   37,682.24 : 52,002.15 = 20,688.07 : x
2. Step 2: Convert to fraction form
   37,682.24/52,002.15 = 20,688.07/x
3. Step 3: Cross multiply
   37,682.24x = 52,002.15 × 20,688.07
4. Step 4: Simplify right side
   37,682.24x = 1,075,823,755.90
5. Step 5: Solve for x
   x = 1,075,823,755.90/37,682.24
6. Step 6: Final answer
   x = 28,549.89