Finding the Fourth Proportional to 1,385.00, 2,077.76 and 727.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385.00 : 2,077.76 = 727.19 : x
2. Step 2: Convert to fraction form
   1,385.00/2,077.76 = 727.19/x
3. Step 3: Cross multiply
   1,385.00x = 2,077.76 × 727.19
4. Step 4: Simplify right side
   1,385.00x = 1,510,917.72
5. Step 5: Solve for x
   x = 1,510,917.72/1,385.00
6. Step 6: Final answer
   x = 1,090.92