Finding the Fourth Proportional to 9,697.76, 13,384.15 and 5,719.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,697.76 : 13,384.15 = 5,719.25 : x
2. Step 2: Convert to fraction form
   9,697.76/13,384.15 = 5,719.25/x
3. Step 3: Cross multiply
   9,697.76x = 13,384.15 × 5,719.25
4. Step 4: Simplify right side
   9,697.76x = 76,547,218.67
5. Step 5: Solve for x
   x = 76,547,218.67/9,697.76
6. Step 6: Final answer
   x = 7,893.29