Finding the Fourth Proportional to 2,425.42, 3,345.87 and 1,761.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,425.42 : 3,345.87 = 1,761.22 : x
2. Step 2: Convert to fraction form
   2,425.42/3,345.87 = 1,761.22/x
3. Step 3: Cross multiply
   2,425.42x = 3,345.87 × 1,761.22
4. Step 4: Simplify right side
   2,425.42x = 5,892,813.16
5. Step 5: Solve for x
   x = 5,892,813.16/2,425.42
6. Step 6: Final answer
   x = 2,429.61