Finding the Fourth Proportional to 11,573.79, 17,347.55 and 5,320.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,573.79 : 17,347.55 = 5,320.88 : x
2. Step 2: Convert to fraction form
   11,573.79/17,347.55 = 5,320.88/x
3. Step 3: Cross multiply
   11,573.79x = 17,347.55 × 5,320.88
4. Step 4: Simplify right side
   11,573.79x = 92,304,288.52
5. Step 5: Solve for x
   x = 92,304,288.52/11,573.79
6. Step 6: Final answer
   x = 7,975.29