Finding the Fourth Proportional to 8,697.34, 12,085.59 and 8,607.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,697.34 : 12,085.59 = 8,607.03 : x
2. Step 2: Convert to fraction form
   8,697.34/12,085.59 = 8,607.03/x
3. Step 3: Cross multiply
   8,697.34x = 12,085.59 × 8,607.03
4. Step 4: Simplify right side
   8,697.34x = 104,020,975.27
5. Step 5: Solve for x
   x = 104,020,975.27/8,697.34
6. Step 6: Final answer
   x = 11,960.09