Finding the Fourth Proportional to 5,137.48, 7,089.72 and 2,899.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,137.48 : 7,089.72 = 2,899.83 : x
2. Step 2: Convert to fraction form
   5,137.48/7,089.72 = 2,899.83/x
3. Step 3: Cross multiply
   5,137.48x = 7,089.72 × 2,899.83
4. Step 4: Simplify right side
   5,137.48x = 20,558,947.30
5. Step 5: Solve for x
   x = 20,558,947.30/5,137.48
6. Step 6: Final answer
   x = 4,001.76