Finding the Fourth Proportional to 9,969.58, 13,757.53 and 5,492.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,969.58 : 13,757.53 = 5,492.61 : x
2. Step 2: Convert to fraction form
   9,969.58/13,757.53 = 5,492.61/x
3. Step 3: Cross multiply
   9,969.58x = 13,757.53 × 5,492.61
4. Step 4: Simplify right side
   9,969.58x = 75,564,782.11
5. Step 5: Solve for x
   x = 75,564,782.11/9,969.58
6. Step 6: Final answer
   x = 7,579.53