Finding the Fourth Proportional to 3,992.64, 5,983.56 and 2,042.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,992.64 : 5,983.56 = 2,042.16 : x
2. Step 2: Convert to fraction form
   3,992.64/5,983.56 = 2,042.16/x
3. Step 3: Cross multiply
   3,992.64x = 5,983.56 × 2,042.16
4. Step 4: Simplify right side
   3,992.64x = 12,219,386.89
5. Step 5: Solve for x
   x = 12,219,386.89/3,992.64
6. Step 6: Final answer
   x = 3,060.48