Finding the Fourth Proportional to 2,442.16, 3,656.76 and 1,976.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,442.16 : 3,656.76 = 1,976.72 : x
2. Step 2: Convert to fraction form
   2,442.16/3,656.76 = 1,976.72/x
3. Step 3: Cross multiply
   2,442.16x = 3,656.76 × 1,976.72
4. Step 4: Simplify right side
   2,442.16x = 7,228,390.63
5. Step 5: Solve for x
   x = 7,228,390.63/2,442.16
6. Step 6: Final answer
   x = 2,959.83