Finding the Fourth Proportional to 1,385.32, 2,078.76 and 736.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385.32 : 2,078.76 = 736.04 : x
2. Step 2: Convert to fraction form
   1,385.32/2,078.76 = 736.04/x
3. Step 3: Cross multiply
   1,385.32x = 2,078.76 × 736.04
4. Step 4: Simplify right side
   1,385.32x = 1,530,050.51
5. Step 5: Solve for x
   x = 1,530,050.51/1,385.32
6. Step 6: Final answer
   x = 1,104.47