Finding the Fourth Proportional to 37,782.42, 52,141.49 and 21,863.80

Step by Step Solution

1. Step 1: Write the proportion equation
   37,782.42 : 52,141.49 = 21,863.80 : x
2. Step 2: Convert to fraction form
   37,782.42/52,141.49 = 21,863.80/x
3. Step 3: Cross multiply
   37,782.42x = 52,141.49 × 21,863.80
4. Step 4: Simplify right side
   37,782.42x = 1,140,011,109.06
5. Step 5: Solve for x
   x = 1,140,011,109.06/37,782.42
6. Step 6: Final answer
   x = 30,173.06