Finding the Fourth Proportional to 1,738.11, 2,605.61 and 1,298.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,738.11 : 2,605.61 = 1,298.82 : x
2. Step 2: Convert to fraction form
   1,738.11/2,605.61 = 1,298.82/x
3. Step 3: Cross multiply
   1,738.11x = 2,605.61 × 1,298.82
4. Step 4: Simplify right side
   1,738.11x = 3,384,211.89
5. Step 5: Solve for x
   x = 3,384,211.89/1,738.11
6. Step 6: Final answer
   x = 1,947.06