Finding the Fourth Proportional to 10,381.82, 15,498.79 and 10,017.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,381.82 : 15,498.79 = 10,017.32 : x
2. Step 2: Convert to fraction form
   10,381.82/15,498.79 = 10,017.32/x
3. Step 3: Cross multiply
   10,381.82x = 15,498.79 × 10,017.32
4. Step 4: Simplify right side
   10,381.82x = 155,256,339.04
5. Step 5: Solve for x
   x = 155,256,339.04/10,381.82
6. Step 6: Final answer
   x = 14,954.64