Finding the Fourth Proportional to 11,982.16, 17,925.06 and 10,356.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,982.16 : 17,925.06 = 10,356.16 : x
2. Step 2: Convert to fraction form
   11,982.16/17,925.06 = 10,356.16/x
3. Step 3: Cross multiply
   11,982.16x = 17,925.06 × 10,356.16
4. Step 4: Simplify right side
   11,982.16x = 185,634,789.37
5. Step 5: Solve for x
   x = 185,634,789.37/11,982.16
6. Step 6: Final answer
   x = 15,492.60