Finding the Fourth Proportional to 12,623.07, 17,419.50 and 7,245.35

Step by Step Solution

1. Step 1: Write the proportion equation
   12,623.07 : 17,419.50 = 7,245.35 : x
2. Step 2: Convert to fraction form
   12,623.07/17,419.50 = 7,245.35/x
3. Step 3: Cross multiply
   12,623.07x = 17,419.50 × 7,245.35
4. Step 4: Simplify right side
   12,623.07x = 126,210,374.33
5. Step 5: Solve for x
   x = 126,210,374.33/12,623.07
6. Step 6: Final answer
   x = 9,998.39