Finding the Fourth Proportional to 5,256.09, 7,853.63 and 3,981.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,256.09 : 7,853.63 = 3,981.15 : x
2. Step 2: Convert to fraction form
   5,256.09/7,853.63 = 3,981.15/x
3. Step 3: Cross multiply
   5,256.09x = 7,853.63 × 3,981.15
4. Step 4: Simplify right side
   5,256.09x = 31,266,459.17
5. Step 5: Solve for x
   x = 31,266,459.17/5,256.09
6. Step 6: Final answer
   x = 5,948.62