Finding the Fourth Proportional to 6,364.10, 9,499.31 and 5,918.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,364.10 : 9,499.31 = 5,918.42 : x
2. Step 2: Convert to fraction form
   6,364.10/9,499.31 = 5,918.42/x
3. Step 3: Cross multiply
   6,364.10x = 9,499.31 × 5,918.42
4. Step 4: Simplify right side
   6,364.10x = 56,220,876.70
5. Step 5: Solve for x
   x = 56,220,876.70/6,364.10
6. Step 6: Final answer
   x = 8,834.07