Finding the Fourth Proportional to 2,199.82, 3,300.02 and 900.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,199.82 : 3,300.02 = 900.98 : x
2. Step 2: Convert to fraction form
   2,199.82/3,300.02 = 900.98/x
3. Step 3: Cross multiply
   2,199.82x = 3,300.02 × 900.98
4. Step 4: Simplify right side
   2,199.82x = 2,973,247.51
5. Step 5: Solve for x
   x = 2,973,247.51/2,199.82
6. Step 6: Final answer
   x = 1,351.59