Finding the Fourth Proportional to 10,492.27, 15,725.89 and 7,312.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,492.27 : 15,725.89 = 7,312.49 : x
2. Step 2: Convert to fraction form
   10,492.27/15,725.89 = 7,312.49/x
3. Step 3: Cross multiply
   10,492.27x = 15,725.89 × 7,312.49
4. Step 4: Simplify right side
   10,492.27x = 114,995,491.31
5. Step 5: Solve for x
   x = 114,995,491.31/10,492.27
6. Step 6: Final answer
   x = 10,960.02