Finding the Fourth Proportional to 5,132.29, 7,684.52 and 2,661.93

Step by Step Solution

1. Step 1: Write the proportion equation
   5,132.29 : 7,684.52 = 2,661.93 : x
2. Step 2: Convert to fraction form
   5,132.29/7,684.52 = 2,661.93/x
3. Step 3: Cross multiply
   5,132.29x = 7,684.52 × 2,661.93
4. Step 4: Simplify right side
   5,132.29x = 20,455,654.32
5. Step 5: Solve for x
   x = 20,455,654.32/5,132.29
6. Step 6: Final answer
   x = 3,985.68