Finding the Fourth Proportional to 9,053.46, 12,494.92 and 5,276.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,053.46 : 12,494.92 = 5,276.80 : x
2. Step 2: Convert to fraction form
   9,053.46/12,494.92 = 5,276.80/x
3. Step 3: Cross multiply
   9,053.46x = 12,494.92 × 5,276.80
4. Step 4: Simplify right side
   9,053.46x = 65,933,193.86
5. Step 5: Solve for x
   x = 65,933,193.86/9,053.46
6. Step 6: Final answer
   x = 7,282.65