Finding the Fourth Proportional to 12,839.58, 17,713.89 and 7,532.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,839.58 : 17,713.89 = 7,532.46 : x
2. Step 2: Convert to fraction form
   12,839.58/17,713.89 = 7,532.46/x
3. Step 3: Cross multiply
   12,839.58x = 17,713.89 × 7,532.46
4. Step 4: Simplify right side
   12,839.58x = 133,429,167.87
5. Step 5: Solve for x
   x = 133,429,167.87/12,839.58
6. Step 6: Final answer
   x = 10,392.02