Finding the Fourth Proportional to 5,143.34, 7,097.78 and 2,905.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,143.34 : 7,097.78 = 2,905.94 : x
2. Step 2: Convert to fraction form
   5,143.34/7,097.78 = 2,905.94/x
3. Step 3: Cross multiply
   5,143.34x = 7,097.78 × 2,905.94
4. Step 4: Simplify right side
   5,143.34x = 20,625,747.82
5. Step 5: Solve for x
   x = 20,625,747.82/5,143.34
6. Step 6: Final answer
   x = 4,010.18