Finding the Fourth Proportional to 12,922.34, 17,835.61 and 7,885.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,922.34 : 17,835.61 = 7,885.48 : x
2. Step 2: Convert to fraction form
   12,922.34/17,835.61 = 7,885.48/x
3. Step 3: Cross multiply
   12,922.34x = 17,835.61 × 7,885.48
4. Step 4: Simplify right side
   12,922.34x = 140,642,345.94
5. Step 5: Solve for x
   x = 140,642,345.94/12,922.34
6. Step 6: Final answer
   x = 10,883.66