Finding the Fourth Proportional to 42,947.15, 59,260.23 and 27,860.49

Step by Step Solution

1. Step 1: Write the proportion equation
   42,947.15 : 59,260.23 = 27,860.49 : x
2. Step 2: Convert to fraction form
   42,947.15/59,260.23 = 27,860.49/x
3. Step 3: Cross multiply
   42,947.15x = 59,260.23 × 27,860.49
4. Step 4: Simplify right side
   42,947.15x = 1,651,019,045.31
5. Step 5: Solve for x
   x = 1,651,019,045.31/42,947.15
6. Step 6: Final answer
   x = 38,443.05