Finding the Fourth Proportional to 37,384.56, 51,590.49 and 20,388.48

Step by Step Solution

1. Step 1: Write the proportion equation
   37,384.56 : 51,590.49 = 20,388.48 : x
2. Step 2: Convert to fraction form
   37,384.56/51,590.49 = 20,388.48/x
3. Step 3: Cross multiply
   37,384.56x = 51,590.49 × 20,388.48
4. Step 4: Simplify right side
   37,384.56x = 1,051,852,010.96
5. Step 5: Solve for x
   x = 1,051,852,010.96/37,384.56
6. Step 6: Final answer
   x = 28,136.00