Finding the Fourth Proportional to 7,114.72, 10,657.86 and 4,888.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,114.72 : 10,657.86 = 4,888.12 : x
2. Step 2: Convert to fraction form
   7,114.72/10,657.86 = 4,888.12/x
3. Step 3: Cross multiply
   7,114.72x = 10,657.86 × 4,888.12
4. Step 4: Simplify right side
   7,114.72x = 52,096,898.62
5. Step 5: Solve for x
   x = 52,096,898.62/7,114.72
6. Step 6: Final answer
   x = 7,322.41