Finding the Fourth Proportional to 9,719.55, 13,408.38 and 5,738.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,719.55 : 13,408.38 = 5,738.01 : x
2. Step 2: Convert to fraction form
   9,719.55/13,408.38 = 5,738.01/x
3. Step 3: Cross multiply
   9,719.55x = 13,408.38 × 5,738.01
4. Step 4: Simplify right side
   9,719.55x = 76,937,418.52
5. Step 5: Solve for x
   x = 76,937,418.52/9,719.55
6. Step 6: Final answer
   x = 7,915.74