Finding the Fourth Proportional to 9,277.99, 12,804.34 and 5,300.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,277.99 : 12,804.34 = 5,300.35 : x
2. Step 2: Convert to fraction form
   9,277.99/12,804.34 = 5,300.35/x
3. Step 3: Cross multiply
   9,277.99x = 12,804.34 × 5,300.35
4. Step 4: Simplify right side
   9,277.99x = 67,867,483.52
5. Step 5: Solve for x
   x = 67,867,483.52/9,277.99
6. Step 6: Final answer
   x = 7,314.89