Finding the Fourth Proportional to 2,030.34, 2,801.91 and 1,191.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,030.34 : 2,801.91 = 1,191.69 : x
2. Step 2: Convert to fraction form
   2,030.34/2,801.91 = 1,191.69/x
3. Step 3: Cross multiply
   2,030.34x = 2,801.91 × 1,191.69
4. Step 4: Simplify right side
   2,030.34x = 3,339,008.13
5. Step 5: Solve for x
   x = 3,339,008.13/2,030.34
6. Step 6: Final answer
   x = 1,644.56