Finding the Fourth Proportional to 2,200.32, 3,300.12 and 1,377.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.32 : 3,300.12 = 1,377.36 : x
2. Step 2: Convert to fraction form
   2,200.32/3,300.12 = 1,377.36/x
3. Step 3: Cross multiply
   2,200.32x = 3,300.12 × 1,377.36
4. Step 4: Simplify right side
   2,200.32x = 4,545,453.28
5. Step 5: Solve for x
   x = 4,545,453.28/2,200.32
6. Step 6: Final answer
   x = 2,065.81