Finding the Fourth Proportional to 37,787.10, 52,145.36 and 21,871.24

Step by Step Solution

1. Step 1: Write the proportion equation
   37,787.10 : 52,145.36 = 21,871.24 : x
2. Step 2: Convert to fraction form
   37,787.10/52,145.36 = 21,871.24/x
3. Step 3: Cross multiply
   37,787.10x = 52,145.36 × 21,871.24
4. Step 4: Simplify right side
   37,787.10x = 1,140,483,683.45
5. Step 5: Solve for x
   x = 1,140,483,683.45/37,787.10
6. Step 6: Final answer
   x = 30,181.83