Finding the Fourth Proportional to 1,426.88, 2,141.64 and 1,104.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.88 : 2,141.64 = 1,104.32 : x
2. Step 2: Convert to fraction form
   1,426.88/2,141.64 = 1,104.32/x
3. Step 3: Cross multiply
   1,426.88x = 2,141.64 × 1,104.32
4. Step 4: Simplify right side
   1,426.88x = 2,365,055.88
5. Step 5: Solve for x
   x = 2,365,055.88/1,426.88
6. Step 6: Final answer
   x = 1,657.50