Finding the Fourth Proportional to 37,870.18, 52,258.71 and 20,874.37

Step by Step Solution

1. Step 1: Write the proportion equation
   37,870.18 : 52,258.71 = 20,874.37 : x
2. Step 2: Convert to fraction form
   37,870.18/52,258.71 = 20,874.37/x
3. Step 3: Cross multiply
   37,870.18x = 52,258.71 × 20,874.37
4. Step 4: Simplify right side
   37,870.18x = 1,090,867,648.26
5. Step 5: Solve for x
   x = 1,090,867,648.26/37,870.18
6. Step 6: Final answer
   x = 28,805.45