Finding the Fourth Proportional to 1,945.59, 2,919.80 and 1,426.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.59 : 2,919.80 = 1,426.94 : x
2. Step 2: Convert to fraction form
   1,945.59/2,919.80 = 1,426.94/x
3. Step 3: Cross multiply
   1,945.59x = 2,919.80 × 1,426.94
4. Step 4: Simplify right side
   1,945.59x = 4,166,379.51
5. Step 5: Solve for x
   x = 4,166,379.51/1,945.59
6. Step 6: Final answer
   x = 2,141.44