Finding the Fourth Proportional to 12,060.32, 18,090.57 and 3,740.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,060.32 : 18,090.57 = 3,740.18 : x
2. Step 2: Convert to fraction form
   12,060.32/18,090.57 = 3,740.18/x
3. Step 3: Cross multiply
   12,060.32x = 18,090.57 × 3,740.18
4. Step 4: Simplify right side
   12,060.32x = 67,661,988.10
5. Step 5: Solve for x
   x = 67,661,988.10/12,060.32
6. Step 6: Final answer
   x = 5,610.30