Finding the Fourth Proportional to 8,730.26, 12,046.77 and 5,145.00

Step by Step Solution

1. Step 1: Write the proportion equation
   8,730.26 : 12,046.77 = 5,145.00 : x
2. Step 2: Convert to fraction form
   8,730.26/12,046.77 = 5,145.00/x
3. Step 3: Cross multiply
   8,730.26x = 12,046.77 × 5,145.00
4. Step 4: Simplify right side
   8,730.26x = 61,980,586.47
5. Step 5: Solve for x
   x = 61,980,586.47/8,730.26
6. Step 6: Final answer
   x = 7,099.51