Finding the Fourth Proportional to 37,900.18, 52,301.55 and 20,906.02

Step by Step Solution

1. Step 1: Write the proportion equation
   37,900.18 : 52,301.55 = 20,906.02 : x
2. Step 2: Convert to fraction form
   37,900.18/52,301.55 = 20,906.02/x
3. Step 3: Cross multiply
   37,900.18x = 52,301.55 × 20,906.02
4. Step 4: Simplify right side
   37,900.18x = 1,093,417,250.33
5. Step 5: Solve for x
   x = 1,093,417,250.33/37,900.18
6. Step 6: Final answer
   x = 28,849.92