Finding the Fourth Proportional to 1,532.91, 2,300.27 and 667.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,532.91 : 2,300.27 = 667.22 : x
2. Step 2: Convert to fraction form
   1,532.91/2,300.27 = 667.22/x
3. Step 3: Cross multiply
   1,532.91x = 2,300.27 × 667.22
4. Step 4: Simplify right side
   1,532.91x = 1,534,771.31
5. Step 5: Solve for x
   x = 1,534,771.31/1,532.91
6. Step 6: Final answer
   x = 1,001.21