Finding the Fourth Proportional to 8,870.58, 13,307.67 and 3,323.79

Step by Step Solution

1. Step 1: Write the proportion equation
   8,870.58 : 13,307.67 = 3,323.79 : x
2. Step 2: Convert to fraction form
   8,870.58/13,307.67 = 3,323.79/x
3. Step 3: Cross multiply
   8,870.58x = 13,307.67 × 3,323.79
4. Step 4: Simplify right side
   8,870.58x = 44,231,900.47
5. Step 5: Solve for x
   x = 44,231,900.47/8,870.58
6. Step 6: Final answer
   x = 4,986.36