Finding the Fourth Proportional to 9,290.57, 13,929.37 and 3,445.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,290.57 : 13,929.37 = 3,445.61 : x
2. Step 2: Convert to fraction form
   9,290.57/13,929.37 = 3,445.61/x
3. Step 3: Cross multiply
   9,290.57x = 13,929.37 × 3,445.61
4. Step 4: Simplify right side
   9,290.57x = 47,995,098.30
5. Step 5: Solve for x
   x = 47,995,098.30/9,290.57
6. Step 6: Final answer
   x = 5,166.00