Finding the Fourth Proportional to 5,581.53, 7,753.01 and 5,492.23

Step by Step Solution

1. Step 1: Write the proportion equation
   5,581.53 : 7,753.01 = 5,492.23 : x
2. Step 2: Convert to fraction form
   5,581.53/7,753.01 = 5,492.23/x
3. Step 3: Cross multiply
   5,581.53x = 7,753.01 × 5,492.23
4. Step 4: Simplify right side
   5,581.53x = 42,581,267.27
5. Step 5: Solve for x
   x = 42,581,267.27/5,581.53
6. Step 6: Final answer
   x = 7,628.96