Finding the Fourth Proportional to 9,279.98, 12,806.37 and 5,030.99

Step by Step Solution

1. Step 1: Write the proportion equation
   9,279.98 : 12,806.37 = 5,030.99 : x
2. Step 2: Convert to fraction form
   9,279.98/12,806.37 = 5,030.99/x
3. Step 3: Cross multiply
   9,279.98x = 12,806.37 × 5,030.99
4. Step 4: Simplify right side
   9,279.98x = 64,428,655.37
5. Step 5: Solve for x
   x = 64,428,655.37/9,279.98
6. Step 6: Final answer
   x = 6,942.76