Finding the Fourth Proportional to 13,460.64, 18,576.56 and 7,492.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,460.64 : 18,576.56 = 7,492.88 : x
2. Step 2: Convert to fraction form
   13,460.64/18,576.56 = 7,492.88/x
3. Step 3: Cross multiply
   13,460.64x = 18,576.56 × 7,492.88
4. Step 4: Simplify right side
   13,460.64x = 139,191,934.89
5. Step 5: Solve for x
   x = 139,191,934.89/13,460.64
6. Step 6: Final answer
   x = 10,340.66