Finding the Fourth Proportional to 37,868.91, 52,258.80 and 20,873.15

Step by Step Solution

1. Step 1: Write the proportion equation
   37,868.91 : 52,258.80 = 20,873.15 : x
2. Step 2: Convert to fraction form
   37,868.91/52,258.80 = 20,873.15/x
3. Step 3: Cross multiply
   37,868.91x = 52,258.80 × 20,873.15
4. Step 4: Simplify right side
   37,868.91x = 1,090,805,784.17
5. Step 5: Solve for x
   x = 1,090,805,784.17/37,868.91
6. Step 6: Final answer
   x = 28,804.79