Finding the Fourth Proportional to 12,936.17, 17,851.98 and 7,558.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,936.17 : 17,851.98 = 7,558.92 : x
2. Step 2: Convert to fraction form
   12,936.17/17,851.98 = 7,558.92/x
3. Step 3: Cross multiply
   12,936.17x = 17,851.98 × 7,558.92
4. Step 4: Simplify right side
   12,936.17x = 134,941,599.40
5. Step 5: Solve for x
   x = 134,941,599.40/12,936.17
6. Step 6: Final answer
   x = 10,431.34