Finding the Fourth Proportional to 3,436.83, 4,742.78 and 1,945.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,436.83 : 4,742.78 = 1,945.05 : x
2. Step 2: Convert to fraction form
   3,436.83/4,742.78 = 1,945.05/x
3. Step 3: Cross multiply
   3,436.83x = 4,742.78 × 1,945.05
4. Step 4: Simplify right side
   3,436.83x = 9,224,925.39
5. Step 5: Solve for x
   x = 9,224,925.39/3,436.83
6. Step 6: Final answer
   x = 2,684.14