Finding the Fourth Proportional to 9,314.03, 12,853.30 and 5,281.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,314.03 : 12,853.30 = 5,281.61 : x
2. Step 2: Convert to fraction form
   9,314.03/12,853.30 = 5,281.61/x
3. Step 3: Cross multiply
   9,314.03x = 12,853.30 × 5,281.61
4. Step 4: Simplify right side
   9,314.03x = 67,886,027.96
5. Step 5: Solve for x
   x = 67,886,027.96/9,314.03
6. Step 6: Final answer
   x = 7,288.58