Finding the Fourth Proportional to 6,013.80, 8,304.72 and 5,686.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,013.80 : 8,304.72 = 5,686.56 : x
2. Step 2: Convert to fraction form
   6,013.80/8,304.72 = 5,686.56/x
3. Step 3: Cross multiply
   6,013.80x = 8,304.72 × 5,686.56
4. Step 4: Simplify right side
   6,013.80x = 47,225,288.56
5. Step 5: Solve for x
   x = 47,225,288.56/6,013.80
6. Step 6: Final answer
   x = 7,852.82