Finding the Fourth Proportional to 12,442.35, 17,164.40 and 7,962.51

Step by Step Solution

1. Step 1: Write the proportion equation
   12,442.35 : 17,164.40 = 7,962.51 : x
2. Step 2: Convert to fraction form
   12,442.35/17,164.40 = 7,962.51/x
3. Step 3: Cross multiply
   12,442.35x = 17,164.40 × 7,962.51
4. Step 4: Simplify right side
   12,442.35x = 136,671,666.83
5. Step 5: Solve for x
   x = 136,671,666.83/12,442.35
6. Step 6: Final answer
   x = 10,984.39