Finding the Fourth Proportional to 37,758.88, 52,102.20 and 21,837.52

Step by Step Solution

1. Step 1: Write the proportion equation
   37,758.88 : 52,102.20 = 21,837.52 : x
2. Step 2: Convert to fraction form
   37,758.88/52,102.20 = 21,837.52/x
3. Step 3: Cross multiply
   37,758.88x = 52,102.20 × 21,837.52
4. Step 4: Simplify right side
   37,758.88x = 1,137,782,834.54
5. Step 5: Solve for x
   x = 1,137,782,834.54/37,758.88
6. Step 6: Final answer
   x = 30,132.85