Finding the Fourth Proportional to 1,359.56, 2,043.90 and 1,088.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.56 : 2,043.90 = 1,088.62 : x
2. Step 2: Convert to fraction form
   1,359.56/2,043.90 = 1,088.62/x
3. Step 3: Cross multiply
   1,359.56x = 2,043.90 × 1,088.62
4. Step 4: Simplify right side
   1,359.56x = 2,225,030.42
5. Step 5: Solve for x
   x = 2,225,030.42/1,359.56
6. Step 6: Final answer
   x = 1,636.58