Finding the Fourth Proportional to 12,118.01, 16,725.56 and 7,405.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,118.01 : 16,725.56 = 7,405.02 : x
2. Step 2: Convert to fraction form
   12,118.01/16,725.56 = 7,405.02/x
3. Step 3: Cross multiply
   12,118.01x = 16,725.56 × 7,405.02
4. Step 4: Simplify right side
   12,118.01x = 123,853,069.29
5. Step 5: Solve for x
   x = 123,853,069.29/12,118.01
6. Step 6: Final answer
   x = 10,220.58