Finding the Fourth Proportional to 1,359.96, 2,041.42 and 1,055.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.96 : 2,041.42 = 1,055.48 : x
2. Step 2: Convert to fraction form
   1,359.96/2,041.42 = 1,055.48/x
3. Step 3: Cross multiply
   1,359.96x = 2,041.42 × 1,055.48
4. Step 4: Simplify right side
   1,359.96x = 2,154,677.98
5. Step 5: Solve for x
   x = 2,154,677.98/1,359.96
6. Step 6: Final answer
   x = 1,584.37