Finding the Fourth Proportional to 11,759.42, 17,643.72 and 5,180.97

Step by Step Solution

1. Step 1: Write the proportion equation
   11,759.42 : 17,643.72 = 5,180.97 : x
2. Step 2: Convert to fraction form
   11,759.42/17,643.72 = 5,180.97/x
3. Step 3: Cross multiply
   11,759.42x = 17,643.72 × 5,180.97
4. Step 4: Simplify right side
   11,759.42x = 91,411,669.60
5. Step 5: Solve for x
   x = 91,411,669.60/11,759.42
6. Step 6: Final answer
   x = 7,773.48