Finding the Fourth Proportional to 1,371.69, 2,059.31 and 1,177.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,371.69 : 2,059.31 = 1,177.94 : x
2. Step 2: Convert to fraction form
   1,371.69/2,059.31 = 1,177.94/x
3. Step 3: Cross multiply
   1,371.69x = 2,059.31 × 1,177.94
4. Step 4: Simplify right side
   1,371.69x = 2,425,751.71
5. Step 5: Solve for x
   x = 2,425,751.71/1,371.69
6. Step 6: Final answer
   x = 1,768.44