Finding the Fourth Proportional to 8,062.42, 12,084.35 and 3,127.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,062.42 : 12,084.35 = 3,127.89 : x
2. Step 2: Convert to fraction form
   8,062.42/12,084.35 = 3,127.89/x
3. Step 3: Cross multiply
   8,062.42x = 12,084.35 × 3,127.89
4. Step 4: Simplify right side
   8,062.42x = 37,798,535.20
5. Step 5: Solve for x
   x = 37,798,535.20/8,062.42
6. Step 6: Final answer
   x = 4,688.23