Finding the Fourth Proportional to 2,003.42, 2,764.71 and 1,164.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.42 : 2,764.71 = 1,164.61 : x
2. Step 2: Convert to fraction form
   2,003.42/2,764.71 = 1,164.61/x
3. Step 3: Cross multiply
   2,003.42x = 2,764.71 × 1,164.61
4. Step 4: Simplify right side
   2,003.42x = 3,219,808.91
5. Step 5: Solve for x
   x = 3,219,808.91/2,003.42
6. Step 6: Final answer
   x = 1,607.16