Finding the Fourth Proportional to 8,706.83, 12,018.86 and 5,875.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,706.83 : 12,018.86 = 5,875.88 : x
2. Step 2: Convert to fraction form
   8,706.83/12,018.86 = 5,875.88/x
3. Step 3: Cross multiply
   8,706.83x = 12,018.86 × 5,875.88
4. Step 4: Simplify right side
   8,706.83x = 70,621,289.62
5. Step 5: Solve for x
   x = 70,621,289.62/8,706.83
6. Step 6: Final answer
   x = 8,111.03