Finding the Fourth Proportional to 6,740.48, 10,102.72 and 5,091.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,740.48 : 10,102.72 = 5,091.52 : x
2. Step 2: Convert to fraction form
   6,740.48/10,102.72 = 5,091.52/x
3. Step 3: Cross multiply
   6,740.48x = 10,102.72 × 5,091.52
4. Step 4: Simplify right side
   6,740.48x = 51,438,200.93
5. Step 5: Solve for x
   x = 51,438,200.93/6,740.48
6. Step 6: Final answer
   x = 7,631.24