Finding the Fourth Proportional to 9,900.16, 14,851.22 and 2,880.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,900.16 : 14,851.22 = 2,880.24 : x
2. Step 2: Convert to fraction form
   9,900.16/14,851.22 = 2,880.24/x
3. Step 3: Cross multiply
   9,900.16x = 14,851.22 × 2,880.24
4. Step 4: Simplify right side
   9,900.16x = 42,775,077.89
5. Step 5: Solve for x
   x = 42,775,077.89/9,900.16
6. Step 6: Final answer
   x = 4,320.65