Finding the Fourth Proportional to 2,650.86, 3,973.64 and 1,330.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.86 : 3,973.64 = 1,330.58 : x
2. Step 2: Convert to fraction form
   2,650.86/3,973.64 = 1,330.58/x
3. Step 3: Cross multiply
   2,650.86x = 3,973.64 × 1,330.58
4. Step 4: Simplify right side
   2,650.86x = 5,287,245.91
5. Step 5: Solve for x
   x = 5,287,245.91/2,650.86
6. Step 6: Final answer
   x = 1,994.54