Finding the Fourth Proportional to 12,005.58, 17,996.06 and 4,608.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,005.58 : 17,996.06 = 4,608.05 : x
2. Step 2: Convert to fraction form
   12,005.58/17,996.06 = 4,608.05/x
3. Step 3: Cross multiply
   12,005.58x = 17,996.06 × 4,608.05
4. Step 4: Simplify right side
   12,005.58x = 82,926,631.26
5. Step 5: Solve for x
   x = 82,926,631.26/12,005.58
6. Step 6: Final answer
   x = 6,907.34