Finding the Fourth Proportional to 7,492.48, 11,236.89 and 3,105.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,492.48 : 11,236.89 = 3,105.72 : x
2. Step 2: Convert to fraction form
   7,492.48/11,236.89 = 3,105.72/x
3. Step 3: Cross multiply
   7,492.48x = 11,236.89 × 3,105.72
4. Step 4: Simplify right side
   7,492.48x = 34,898,634.01
5. Step 5: Solve for x
   x = 34,898,634.01/7,492.48
6. Step 6: Final answer
   x = 4,657.82