Finding the Fourth Proportional to 5,184.78, 7,154.72 and 2,946.36

Step by Step Solution

1. Step 1: Write the proportion equation
   5,184.78 : 7,154.72 = 2,946.36 : x
2. Step 2: Convert to fraction form
   5,184.78/7,154.72 = 2,946.36/x
3. Step 3: Cross multiply
   5,184.78x = 7,154.72 × 2,946.36
4. Step 4: Simplify right side
   5,184.78x = 21,080,380.82
5. Step 5: Solve for x
   x = 21,080,380.82/5,184.78
6. Step 6: Final answer
   x = 4,065.82