Finding the Fourth Proportional to 10,137.15, 13,987.89 and 5,888.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,137.15 : 13,987.89 = 5,888.16 : x
2. Step 2: Convert to fraction form
   10,137.15/13,987.89 = 5,888.16/x
3. Step 3: Cross multiply
   10,137.15x = 13,987.89 × 5,888.16
4. Step 4: Simplify right side
   10,137.15x = 82,362,934.38
5. Step 5: Solve for x
   x = 82,362,934.38/10,137.15
6. Step 6: Final answer
   x = 8,124.86