Finding the Fourth Proportional to 10,921.08, 15,066.30 and 7,383

Step by Step Solution

1. Step 1: Write the proportion equation
   10,921.08 : 15,066.30 = 7,383 : x
2. Step 2: Convert to fraction form
   10,921.08/15,066.30 = 7,383/x
3. Step 3: Cross multiply
   10,921.08x = 15,066.30 × 7,383
4. Step 4: Simplify right side
   10,921.08x = 111,234,492.90
5. Step 5: Solve for x
   x = 111,234,492.90/10,921.08
6. Step 6: Final answer
   x = 10,185.30