Finding the Fourth Proportional to 8,087.16, 12,111.30 and 4,613.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,087.16 : 12,111.30 = 4,613.88 : x
2. Step 2: Convert to fraction form
   8,087.16/12,111.30 = 4,613.88/x
3. Step 3: Cross multiply
   8,087.16x = 12,111.30 × 4,613.88
4. Step 4: Simplify right side
   8,087.16x = 55,880,084.84
5. Step 5: Solve for x
   x = 55,880,084.84/8,087.16
6. Step 6: Final answer
   x = 6,909.73