Finding the Fourth Proportional to 5,715.93, 7,883.56 and 3,826.91

Step by Step Solution

1. Step 1: Write the proportion equation
   5,715.93 : 7,883.56 = 3,826.91 : x
2. Step 2: Convert to fraction form
   5,715.93/7,883.56 = 3,826.91/x
3. Step 3: Cross multiply
   5,715.93x = 7,883.56 × 3,826.91
4. Step 4: Simplify right side
   5,715.93x = 30,169,699.09
5. Step 5: Solve for x
   x = 30,169,699.09/5,715.93
6. Step 6: Final answer
   x = 5,278.18