Finding the Fourth Proportional to 12,492.72, 17,240.01 and 6,827.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,492.72 : 17,240.01 = 6,827.58 : x
2. Step 2: Convert to fraction form
   12,492.72/17,240.01 = 6,827.58/x
3. Step 3: Cross multiply
   12,492.72x = 17,240.01 × 6,827.58
4. Step 4: Simplify right side
   12,492.72x = 117,707,547.48
5. Step 5: Solve for x
   x = 117,707,547.48/12,492.72
6. Step 6: Final answer
   x = 9,422.09