Finding the Fourth Proportional to 12,611.73, 17,402.94 and 7,308.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,611.73 : 17,402.94 = 7,308.30 : x
2. Step 2: Convert to fraction form
   12,611.73/17,402.94 = 7,308.30/x
3. Step 3: Cross multiply
   12,611.73x = 17,402.94 × 7,308.30
4. Step 4: Simplify right side
   12,611.73x = 127,185,906.40
5. Step 5: Solve for x
   x = 127,185,906.40/12,611.73
6. Step 6: Final answer
   x = 10,084.73