Finding the Fourth Proportional to 9,281.88, 12,805.83 and 5,300.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,281.88 : 12,805.83 = 5,300.13 : x
2. Step 2: Convert to fraction form
   9,281.88/12,805.83 = 5,300.13/x
3. Step 3: Cross multiply
   9,281.88x = 12,805.83 × 5,300.13
4. Step 4: Simplify right side
   9,281.88x = 67,872,563.76
5. Step 5: Solve for x
   x = 67,872,563.76/9,281.88
6. Step 6: Final answer
   x = 7,312.37