Finding the Fourth Proportional to 9,900.89, 14,852.70 and 3,328.95

Step by Step Solution

1. Step 1: Write the proportion equation
   9,900.89 : 14,852.70 = 3,328.95 : x
2. Step 2: Convert to fraction form
   9,900.89/14,852.70 = 3,328.95/x
3. Step 3: Cross multiply
   9,900.89x = 14,852.70 × 3,328.95
4. Step 4: Simplify right side
   9,900.89x = 49,443,895.67
5. Step 5: Solve for x
   x = 49,443,895.67/9,900.89
6. Step 6: Final answer
   x = 4,993.89