Finding the Fourth Proportional to 2,133.58, 3,199.59 and 746.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,133.58 : 3,199.59 = 746.80 : x
2. Step 2: Convert to fraction form
   2,133.58/3,199.59 = 746.80/x
3. Step 3: Cross multiply
   2,133.58x = 3,199.59 × 746.80
4. Step 4: Simplify right side
   2,133.58x = 2,389,453.81
5. Step 5: Solve for x
   x = 2,389,453.81/2,133.58
6. Step 6: Final answer
   x = 1,119.93