Finding the Fourth Proportional to 5,137.47, 7,089.71 and 2,899.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,137.47 : 7,089.71 = 2,899.82 : x
2. Step 2: Convert to fraction form
   5,137.47/7,089.71 = 2,899.82/x
3. Step 3: Cross multiply
   5,137.47x = 7,089.71 × 2,899.82
4. Step 4: Simplify right side
   5,137.47x = 20,558,882.85
5. Step 5: Solve for x
   x = 20,558,882.85/5,137.47
6. Step 6: Final answer
   x = 4,001.75