Finding the Fourth Proportional to 7,492.56, 11,238.72 and 3,106.80

Step by Step Solution

1. Step 1: Write the proportion equation
   7,492.56 : 11,238.72 = 3,106.80 : x
2. Step 2: Convert to fraction form
   7,492.56/11,238.72 = 3,106.80/x
3. Step 3: Cross multiply
   7,492.56x = 11,238.72 × 3,106.80
4. Step 4: Simplify right side
   7,492.56x = 34,916,455.30
5. Step 5: Solve for x
   x = 34,916,455.30/7,492.56
6. Step 6: Final answer
   x = 4,660.15