Finding the Fourth Proportional to 16,760.78, 23,130.30 and 9,492.29

Step by Step Solution

1. Step 1: Write the proportion equation
   16,760.78 : 23,130.30 = 9,492.29 : x
2. Step 2: Convert to fraction form
   16,760.78/23,130.30 = 9,492.29/x
3. Step 3: Cross multiply
   16,760.78x = 23,130.30 × 9,492.29
4. Step 4: Simplify right side
   16,760.78x = 219,559,435.33
5. Step 5: Solve for x
   x = 219,559,435.33/16,760.78
6. Step 6: Final answer
   x = 13,099.60