Finding the Fourth Proportional to 5,902.59, 8,147.79 and 3,913.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,902.59 : 8,147.79 = 3,913.82 : x
2. Step 2: Convert to fraction form
   5,902.59/8,147.79 = 3,913.82/x
3. Step 3: Cross multiply
   5,902.59x = 8,147.79 × 3,913.82
4. Step 4: Simplify right side
   5,902.59x = 31,888,983.46
5. Step 5: Solve for x
   x = 31,888,983.46/5,902.59
6. Step 6: Final answer
   x = 5,402.54