Finding the Fourth Proportional to 12,327.22, 17,010.70 and 7,784.61

Step by Step Solution

1. Step 1: Write the proportion equation
   12,327.22 : 17,010.70 = 7,784.61 : x
2. Step 2: Convert to fraction form
   12,327.22/17,010.70 = 7,784.61/x
3. Step 3: Cross multiply
   12,327.22x = 17,010.70 × 7,784.61
4. Step 4: Simplify right side
   12,327.22x = 132,421,665.33
5. Step 5: Solve for x
   x = 132,421,665.33/12,327.22
6. Step 6: Final answer
   x = 10,742.22