Finding the Fourth Proportional to 4,898.72, 7,317.82 and 3,926.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,898.72 : 7,317.82 = 3,926.72 : x
2. Step 2: Convert to fraction form
   4,898.72/7,317.82 = 3,926.72/x
3. Step 3: Cross multiply
   4,898.72x = 7,317.82 × 3,926.72
4. Step 4: Simplify right side
   4,898.72x = 28,735,030.15
5. Step 5: Solve for x
   x = 28,735,030.15/4,898.72
6. Step 6: Final answer
   x = 5,865.82