Finding the Fourth Proportional to 7,160.86, 10,748.58 and 4,813.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,160.86 : 10,748.58 = 4,813.48 : x
2. Step 2: Convert to fraction form
   7,160.86/10,748.58 = 4,813.48/x
3. Step 3: Cross multiply
   7,160.86x = 10,748.58 × 4,813.48
4. Step 4: Simplify right side
   7,160.86x = 51,738,074.86
5. Step 5: Solve for x
   x = 51,738,074.86/7,160.86
6. Step 6: Final answer
   x = 7,225.12