Finding the Fourth Proportional to 12,753.01, 17,591.82 and 7,964.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,753.01 : 17,591.82 = 7,964.63 : x
2. Step 2: Convert to fraction form
   12,753.01/17,591.82 = 7,964.63/x
3. Step 3: Cross multiply
   12,753.01x = 17,591.82 × 7,964.63
4. Step 4: Simplify right side
   12,753.01x = 140,112,337.33
5. Step 5: Solve for x
   x = 140,112,337.33/12,753.01
6. Step 6: Final answer
   x = 10,986.61