Finding the Fourth Proportional to 9,457.55, 13,050.48 and 5,479.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,457.55 : 13,050.48 = 5,479.98 : x
2. Step 2: Convert to fraction form
   9,457.55/13,050.48 = 5,479.98/x
3. Step 3: Cross multiply
   9,457.55x = 13,050.48 × 5,479.98
4. Step 4: Simplify right side
   9,457.55x = 71,516,369.39
5. Step 5: Solve for x
   x = 71,516,369.39/9,457.55
6. Step 6: Final answer
   x = 7,561.83