Finding the Fourth Proportional to 9,053.57, 12,493.95 and 5,276.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,053.57 : 12,493.95 = 5,276.45 : x
2. Step 2: Convert to fraction form
   9,053.57/12,493.95 = 5,276.45/x
3. Step 3: Cross multiply
   9,053.57x = 12,493.95 × 5,276.45
4. Step 4: Simplify right side
   9,053.57x = 65,923,702.48
5. Step 5: Solve for x
   x = 65,923,702.48/9,053.57
6. Step 6: Final answer
   x = 7,281.51