Finding the Fourth Proportional to 2,187.42, 3,275.73 and 1,630.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187.42 : 3,275.73 = 1,630.80 : x
2. Step 2: Convert to fraction form
   2,187.42/3,275.73 = 1,630.80/x
3. Step 3: Cross multiply
   2,187.42x = 3,275.73 × 1,630.80
4. Step 4: Simplify right side
   2,187.42x = 5,342,060.48
5. Step 5: Solve for x
   x = 5,342,060.48/2,187.42
6. Step 6: Final answer
   x = 2,442.17