Finding the Fourth Proportional to 10,883.22, 15,013.72 and 7,892.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,883.22 : 15,013.72 = 7,892.49 : x
2. Step 2: Convert to fraction form
   10,883.22/15,013.72 = 7,892.49/x
3. Step 3: Cross multiply
   10,883.22x = 15,013.72 × 7,892.49
4. Step 4: Simplify right side
   10,883.22x = 118,495,634.96
5. Step 5: Solve for x
   x = 118,495,634.96/10,883.22
6. Step 6: Final answer
   x = 10,887.92