Finding the Fourth Proportional to 12,926.52, 17,839.94 and 7,623.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,926.52 : 17,839.94 = 7,623.05 : x
2. Step 2: Convert to fraction form
   12,926.52/17,839.94 = 7,623.05/x
3. Step 3: Cross multiply
   12,926.52x = 17,839.94 × 7,623.05
4. Step 4: Simplify right side
   12,926.52x = 135,994,627.30
5. Step 5: Solve for x
   x = 135,994,627.30/12,926.52
6. Step 6: Final answer
   x = 10,520.59