Finding the Fourth Proportional to 37,886.31, 52,282.10 and 20,890.27

Step by Step Solution

1. Step 1: Write the proportion equation
   37,886.31 : 52,282.10 = 20,890.27 : x
2. Step 2: Convert to fraction form
   37,886.31/52,282.10 = 20,890.27/x
3. Step 3: Cross multiply
   37,886.31x = 52,282.10 × 20,890.27
4. Step 4: Simplify right side
   37,886.31x = 1,092,186,923.76
5. Step 5: Solve for x
   x = 1,092,186,923.76/37,886.31
6. Step 6: Final answer
   x = 28,828.01