Finding the Fourth Proportional to 9,290.34, 12,837.42 and 6,633.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,290.34 : 12,837.42 = 6,633.18 : x
2. Step 2: Convert to fraction form
   9,290.34/12,837.42 = 6,633.18/x
3. Step 3: Cross multiply
   9,290.34x = 12,837.42 × 6,633.18
4. Step 4: Simplify right side
   9,290.34x = 85,152,917.60
5. Step 5: Solve for x
   x = 85,152,917.60/9,290.34
6. Step 6: Final answer
   x = 9,165.75