Finding the Fourth Proportional to 5,131.52, 7,684.80 and 2,933.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,131.52 : 7,684.80 = 2,933.56 : x
2. Step 2: Convert to fraction form
   5,131.52/7,684.80 = 2,933.56/x
3. Step 3: Cross multiply
   5,131.52x = 7,684.80 × 2,933.56
4. Step 4: Simplify right side
   5,131.52x = 22,543,821.89
5. Step 5: Solve for x
   x = 22,543,821.89/5,131.52
6. Step 6: Final answer
   x = 4,393.21