Finding the Fourth Proportional to 12,359.06, 17,054.79 and 6,981.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,359.06 : 17,054.79 = 6,981.50 : x
2. Step 2: Convert to fraction form
   12,359.06/17,054.79 = 6,981.50/x
3. Step 3: Cross multiply
   12,359.06x = 17,054.79 × 6,981.50
4. Step 4: Simplify right side
   12,359.06x = 119,068,016.39
5. Step 5: Solve for x
   x = 119,068,016.39/12,359.06
6. Step 6: Final answer
   x = 9,634.07