Finding the Fourth Proportional to 5,147.84, 7,104.01 and 2,789.98

Step by Step Solution

1. Step 1: Write the proportion equation
   5,147.84 : 7,104.01 = 2,789.98 : x
2. Step 2: Convert to fraction form
   5,147.84/7,104.01 = 2,789.98/x
3. Step 3: Cross multiply
   5,147.84x = 7,104.01 × 2,789.98
4. Step 4: Simplify right side
   5,147.84x = 19,820,045.82
5. Step 5: Solve for x
   x = 19,820,045.82/5,147.84
6. Step 6: Final answer
   x = 3,850.17