Finding the Fourth Proportional to 5,256.69, 7,254.20 and 2,898.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,256.69 : 7,254.20 = 2,898.83 : x
2. Step 2: Convert to fraction form
   5,256.69/7,254.20 = 2,898.83/x
3. Step 3: Cross multiply
   5,256.69x = 7,254.20 × 2,898.83
4. Step 4: Simplify right side
   5,256.69x = 21,028,692.59
5. Step 5: Solve for x
   x = 21,028,692.59/5,256.69
6. Step 6: Final answer
   x = 4,000.37