Finding the Fourth Proportional to 9,277.80, 12,801.96 and 5,298.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,277.80 : 12,801.96 = 5,298.18 : x
2. Step 2: Convert to fraction form
   9,277.80/12,801.96 = 5,298.18/x
3. Step 3: Cross multiply
   9,277.80x = 12,801.96 × 5,298.18
4. Step 4: Simplify right side
   9,277.80x = 67,827,088.43
5. Step 5: Solve for x
   x = 67,827,088.43/9,277.80
6. Step 6: Final answer
   x = 7,310.69