Finding the Fourth Proportional to 12,570.50, 17,347.83 and 6,981.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,570.50 : 17,347.83 = 6,981.50 : x
2. Step 2: Convert to fraction form
   12,570.50/17,347.83 = 6,981.50/x
3. Step 3: Cross multiply
   12,570.50x = 17,347.83 × 6,981.50
4. Step 4: Simplify right side
   12,570.50x = 121,113,875.15
5. Step 5: Solve for x
   x = 121,113,875.15/12,570.50
6. Step 6: Final answer
   x = 9,634.77