Finding the Fourth Proportional to 37,900.98, 52,303.55 and 20,905.83

Step by Step Solution

1. Step 1: Write the proportion equation
   37,900.98 : 52,303.55 = 20,905.83 : x
2. Step 2: Convert to fraction form
   37,900.98/52,303.55 = 20,905.83/x
3. Step 3: Cross multiply
   37,900.98x = 52,303.55 × 20,905.83
4. Step 4: Simplify right side
   37,900.98x = 1,093,449,020.17
5. Step 5: Solve for x
   x = 1,093,449,020.17/37,900.98
6. Step 6: Final answer
   x = 28,850.15