Finding the Fourth Proportional to 10,320.12, 15,480.01 and 3,300.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,320.12 : 15,480.01 = 3,300.05 : x
2. Step 2: Convert to fraction form
   10,320.12/15,480.01 = 3,300.05/x
3. Step 3: Cross multiply
   10,320.12x = 15,480.01 × 3,300.05
4. Step 4: Simplify right side
   10,320.12x = 51,084,837.45
5. Step 5: Solve for x
   x = 51,084,837.45/10,320.12
6. Step 6: Final answer
   x = 4,950.02