Finding the Fourth Proportional to 2,200.56, 3,307.68 and 1,384.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200.56 : 3,307.68 = 1,384.08 : x
2. Step 2: Convert to fraction form
   2,200.56/3,307.68 = 1,384.08/x
3. Step 3: Cross multiply
   2,200.56x = 3,307.68 × 1,384.08
4. Step 4: Simplify right side
   2,200.56x = 4,578,093.73
5. Step 5: Solve for x
   x = 4,578,093.73/2,200.56
6. Step 6: Final answer
   x = 2,080.42