Finding the Fourth Proportional to 37,763.28, 52,109.46 and 21,852.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,763.28 : 52,109.46 = 21,852.72 : x
2. Step 2: Convert to fraction form
   37,763.28/52,109.46 = 21,852.72/x
3. Step 3: Cross multiply
   37,763.28x = 52,109.46 × 21,852.72
4. Step 4: Simplify right side
   37,763.28x = 1,138,733,438.73
5. Step 5: Solve for x
   x = 1,138,733,438.73/37,763.28
6. Step 6: Final answer
   x = 30,154.52