Finding the Fourth Proportional to 42,806, 59,072.28 and 27,902

Step by Step Solution

1. Step 1: Write the proportion equation
   42,806 : 59,072.28 = 27,902 : x
2. Step 2: Convert to fraction form
   42,806/59,072.28 = 27,902/x
3. Step 3: Cross multiply
   42,806x = 59,072.28 × 27,902
4. Step 4: Simplify right side
   42,806x = 1,648,234,756.56
5. Step 5: Solve for x
   x = 1,648,234,756.56/42,806
6. Step 6: Final answer
   x = 38,504.76