Finding the Fourth Proportional to 37,983.90, 52,407.11 and 21,850.37

Step by Step Solution

1. Step 1: Write the proportion equation
   37,983.90 : 52,407.11 = 21,850.37 : x
2. Step 2: Convert to fraction form
   37,983.90/52,407.11 = 21,850.37/x
3. Step 3: Cross multiply
   37,983.90x = 52,407.11 × 21,850.37
4. Step 4: Simplify right side
   37,983.90x = 1,145,114,536.72
5. Step 5: Solve for x
   x = 1,145,114,536.72/37,983.90
6. Step 6: Final answer
   x = 30,147.37