Finding the Fourth Proportional to 37,689.02, 52,004.79 and 21,775.58

Step by Step Solution

1. Step 1: Write the proportion equation
   37,689.02 : 52,004.79 = 21,775.58 : x
2. Step 2: Convert to fraction form
   37,689.02/52,004.79 = 21,775.58/x
3. Step 3: Cross multiply
   37,689.02x = 52,004.79 × 21,775.58
4. Step 4: Simplify right side
   37,689.02x = 1,132,434,465.03
5. Step 5: Solve for x
   x = 1,132,434,465.03/37,689.02
6. Step 6: Final answer
   x = 30,046.80