Finding the Fourth Proportional to 1,393.76, 2,074.72 and 1,373.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,393.76 : 2,074.72 = 1,373.00 : x
2. Step 2: Convert to fraction form
   1,393.76/2,074.72 = 1,373.00/x
3. Step 3: Cross multiply
   1,393.76x = 2,074.72 × 1,373.00
4. Step 4: Simplify right side
   1,393.76x = 2,848,579.33
5. Step 5: Solve for x
   x = 2,848,579.33/1,393.76
6. Step 6: Final answer
   x = 2,043.81