Finding the Fourth Proportional to 12,611.42, 17,406.06 and 7,306.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,611.42 : 17,406.06 = 7,306.76 : x
2. Step 2: Convert to fraction form
   12,611.42/17,406.06 = 7,306.76/x
3. Step 3: Cross multiply
   12,611.42x = 17,406.06 × 7,306.76
4. Step 4: Simplify right side
   12,611.42x = 127,181,902.97
5. Step 5: Solve for x
   x = 127,181,902.97/12,611.42
6. Step 6: Final answer
   x = 10,084.66