Finding the Fourth Proportional to 8,760.81, 12,089.76 and 4,781.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,760.81 : 12,089.76 = 4,781.82 : x
2. Step 2: Convert to fraction form
   8,760.81/12,089.76 = 4,781.82/x
3. Step 3: Cross multiply
   8,760.81x = 12,089.76 × 4,781.82
4. Step 4: Simplify right side
   8,760.81x = 57,811,056.16
5. Step 5: Solve for x
   x = 57,811,056.16/8,760.81
6. Step 6: Final answer
   x = 6,598.83