Finding the Fourth Proportional to 9,457.83, 13,049.64 and 5,679.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,457.83 : 13,049.64 = 5,679.72 : x
2. Step 2: Convert to fraction form
   9,457.83/13,049.64 = 5,679.72/x
3. Step 3: Cross multiply
   9,457.83x = 13,049.64 × 5,679.72
4. Step 4: Simplify right side
   9,457.83x = 74,118,301.30
5. Step 5: Solve for x
   x = 74,118,301.30/9,457.83
6. Step 6: Final answer
   x = 7,836.71