Finding the Fourth Proportional to 10,058.88, 15,074.65 and 3,815.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,058.88 : 15,074.65 = 3,815.54 : x
2. Step 2: Convert to fraction form
   10,058.88/15,074.65 = 3,815.54/x
3. Step 3: Cross multiply
   10,058.88x = 15,074.65 × 3,815.54
4. Step 4: Simplify right side
   10,058.88x = 57,517,835.61
5. Step 5: Solve for x
   x = 57,517,835.61/10,058.88
6. Step 6: Final answer
   x = 5,718.12