Finding the Fourth Proportional to 11,735.73, 17,591.58 and 5,160.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,735.73 : 17,591.58 = 5,160.69 : x
2. Step 2: Convert to fraction form
   11,735.73/17,591.58 = 5,160.69/x
3. Step 3: Cross multiply
   11,735.73x = 17,591.58 × 5,160.69
4. Step 4: Simplify right side
   11,735.73x = 90,784,690.99
5. Step 5: Solve for x
   x = 90,784,690.99/11,735.73
6. Step 6: Final answer
   x = 7,735.75