Finding the Fourth Proportional to 12,359.63, 17,054.61 and 6,981.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,359.63 : 17,054.61 = 6,981.86 : x
2. Step 2: Convert to fraction form
   12,359.63/17,054.61 = 6,981.86/x
3. Step 3: Cross multiply
   12,359.63x = 17,054.61 × 6,981.86
4. Step 4: Simplify right side
   12,359.63x = 119,072,899.37
5. Step 5: Solve for x
   x = 119,072,899.37/12,359.63
6. Step 6: Final answer
   x = 9,634.02