Finding the Fourth Proportional to 9,742.24, 13,443.34 and 5,492.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,742.24 : 13,443.34 = 5,492.91 : x
2. Step 2: Convert to fraction form
   9,742.24/13,443.34 = 5,492.91/x
3. Step 3: Cross multiply
   9,742.24x = 13,443.34 × 5,492.91
4. Step 4: Simplify right side
   9,742.24x = 73,843,042.99
5. Step 5: Solve for x
   x = 73,843,042.99/9,742.24
6. Step 6: Final answer
   x = 7,579.68