Finding the Fourth Proportional to 5,256.41, 7,253.89 and 2,898.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,256.41 : 7,253.89 = 2,898.72 : x
2. Step 2: Convert to fraction form
   5,256.41/7,253.89 = 2,898.72/x
3. Step 3: Cross multiply
   5,256.41x = 7,253.89 × 2,898.72
4. Step 4: Simplify right side
   5,256.41x = 21,026,988.77
5. Step 5: Solve for x
   x = 21,026,988.77/5,256.41
6. Step 6: Final answer
   x = 4,000.26