Finding the Fourth Proportional to 12,392.02, 17,100.71 and 6,940.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,392.02 : 17,100.71 = 6,940.18 : x
2. Step 2: Convert to fraction form
   12,392.02/17,100.71 = 6,940.18/x
3. Step 3: Cross multiply
   12,392.02x = 17,100.71 × 6,940.18
4. Step 4: Simplify right side
   12,392.02x = 118,681,885.32
5. Step 5: Solve for x
   x = 118,681,885.32/12,392.02
6. Step 6: Final answer
   x = 9,577.29