Finding the Fourth Proportional to 9,300.88, 12,830.88 and 5,762.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,300.88 : 12,830.88 = 5,762.80 : x
2. Step 2: Convert to fraction form
   9,300.88/12,830.88 = 5,762.80/x
3. Step 3: Cross multiply
   9,300.88x = 12,830.88 × 5,762.80
4. Step 4: Simplify right side
   9,300.88x = 73,941,795.26
5. Step 5: Solve for x
   x = 73,941,795.26/9,300.88
6. Step 6: Final answer
   x = 7,949.98