Finding the Fourth Proportional to 1,945.01, 2,684.54 and 1,281.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945.01 : 2,684.54 = 1,281.93 : x
2. Step 2: Convert to fraction form
   1,945.01/2,684.54 = 1,281.93/x
3. Step 3: Cross multiply
   1,945.01x = 2,684.54 × 1,281.93
4. Step 4: Simplify right side
   1,945.01x = 3,441,385.50
5. Step 5: Solve for x
   x = 3,441,385.50/1,945.01
6. Step 6: Final answer
   x = 1,769.34