Finding the Fourth Proportional to 2,345.40, 3,518.55 and 701.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.40 : 3,518.55 = 701.91 : x
2. Step 2: Convert to fraction form
   2,345.40/3,518.55 = 701.91/x
3. Step 3: Cross multiply
   2,345.40x = 3,518.55 × 701.91
4. Step 4: Simplify right side
   2,345.40x = 2,469,705.43
5. Step 5: Solve for x
   x = 2,469,705.43/2,345.40
6. Step 6: Final answer
   x = 1,053.00