Finding the Fourth Proportional to 9,900.36, 14,852.84 and 2,880.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,900.36 : 14,852.84 = 2,880.54 : x
2. Step 2: Convert to fraction form
   9,900.36/14,852.84 = 2,880.54/x
3. Step 3: Cross multiply
   9,900.36x = 14,852.84 × 2,880.54
4. Step 4: Simplify right side
   9,900.36x = 42,784,185.33
5. Step 5: Solve for x
   x = 42,784,185.33/9,900.36
6. Step 6: Final answer
   x = 4,321.48