Finding the Fourth Proportional to 8,706.30, 12,010.46 and 5,167.00

Step by Step Solution

1. Step 1: Write the proportion equation
   8,706.30 : 12,010.46 = 5,167.00 : x
2. Step 2: Convert to fraction form
   8,706.30/12,010.46 = 5,167.00/x
3. Step 3: Cross multiply
   8,706.30x = 12,010.46 × 5,167.00
4. Step 4: Simplify right side
   8,706.30x = 62,058,036.00
5. Step 5: Solve for x
   x = 62,058,036.00/8,706.30
6. Step 6: Final answer
   x = 7,127.95