Finding the Fourth Proportional to 1,790.32, 2,469.40 and 1,260.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,790.32 : 2,469.40 = 1,260.30 : x
2. Step 2: Convert to fraction form
   1,790.32/2,469.40 = 1,260.30/x
3. Step 3: Cross multiply
   1,790.32x = 2,469.40 × 1,260.30
4. Step 4: Simplify right side
   1,790.32x = 3,112,184.82
5. Step 5: Solve for x
   x = 3,112,184.82/1,790.32
6. Step 6: Final answer
   x = 1,738.34